MathMaster logo

MathMaster

  1. Home
  2. general
  3. how many six digit numbers are there that are odd and have at least one zero
Question

How many six-digit numbers are there that are odd and have at least one zero?

238

likes
1191 views

Answer to a math question How many six-digit numbers are there that are odd and have at least one zero?

Expert avatar
Nash
4.9
87 Answers
Riješenje: Broj 6-znamenkastih brojeva koji su neparni i imaju barem jednu nulu jednak je broju 6-znamenkastih brojeva koji su neparni minus broj 6-znamenkastih brojeva koji su neparni i nemaju nulu. Pronalaženje broja 6-znamenkastih brojeva koji su neparni, prva znamenka mora biti neparan broj. Stoga su jedine opcije za prvu znamenku 1, 3, 5, 7 i 9. U međuvremenu, za ostalih 5 znamenki, sve mogu biti bilo što između 0 do 9. Prema tome, broj 6-znamenkastih brojeva koji su neparan je jednako n\lijevo(neparno\desno)=5\cdot10\cdot10\cdot10\cdot10\cdot10 n\lijevo(neparno\desno)=500000 U međuvremenu, za broj šesteroznamenkastih brojeva koji su neparni i nemaju nulu, prva znamenka i dalje mora biti neparan broj. Međutim, za preostalih 5 znamenki, sve mogu biti samo između 1 i 9, jer nijedna znamenka ne može biti nula. Stoga je broj 6-znamenkastih brojeva koji su neparni i nemaju nulu jednak n\lijevo(neparno\:i\:ne\:nula\desno)=5\cdot9\cdot9\cdot9\cdot9\cdot9 n\lijevo(neparno\:i\:ne\:nula\desno)=295245 Stoga je broj 6-znamenkastih brojeva koji su neparni i imaju barem jednu nulu jednak n\lijevo(neparno\:i\:najmanje\:jedan\:nula\desno)=n\lijevo(neparno\desno)-n\lijevo(neparno\:i\:ne\:nula\ desno) n\lijevo(neparno\:i\:najmanje\:jedan\:nula\desno)=500000-295245 n\lijevo(neparno\:i\:najmanje\:jedan\:nula\desno)=204755 Odgovor: 204755

Frequently asked questions (FAQs)
What are the roots of the quadratic equation 3x^2 - 4x + 1 = 0?
+
What is the measure in degrees of an angle that is π/4 radians?
+
Find the derivative of f(x) = 3x² - 4x + 5.
+
New questions in Mathematics
Solve: −3(−2x+23)+12=6(−4x+9)+9.
A person who weighs 200 pounds on earth would weigh about 32 pounds on the moon. Find the weight of a person on earth who would weigh 15 pounds on the moon.
String x = 5 Int y=2 System.out.println(x+y)
P is a polynomial defined by P(x) = 4x^3 - 11×^2 - 6x + 9. Two factors are (x - 3) and (x + 1). Rewrite the expression for P as the product of linear factors.
An electrical company manufactures batteries that have a duration that is distributed approximately normally, with a mean of 700 hours and a standard deviation of 40 hours. Find the probability that a randomly selected battery has an average life of less than 810 hours.
Margin of error E=0.30 populations standard deviation =2.5. Population means with 95% confidence. What I the required sample size (round up to the whole number)
A pair of die is thrown and the absolute difference of the two scores is recorded. What is the probability of the absolute difference being 4 or more?
15/5+7-5
Task 1 angel has 3 quarters 3/8 of a tank of gasoline and Miguel 7/8, who has more gasoline? number line on number line
Suppose you have a sample of 100 values from a population with mean mu = 500 and standard deviation sigma = 80. Given that P(z < −1.25) = 0.10565 and P(z < 1.25) = 0.89435, the probability that the sample mean is in the interval (490, 510) is: A)78.87% B)89.44% C)10.57% D)68.27%
User The average height of Aranka, Böske, Cili, Delinke and Lili is 172 cm. We know that Aranka and Cili are both 172 cm tall. The sum of the heights of Böské and Delinke is 336 cm. How tall is Lili?
0.1x8.2
2)A tourist has 15 pairs of pants in his hotel room closet. Suppose 5 are blue and the rest are black. The tourist leaves his room twice a day. He takes a pair of pants and puts them on, the tourist leaves the first pair of pants in the closet again and takes another one and puts them on. What is the probability that the two pants chosen are black?
A Smooth Plane is listed for $195.00. Discounts of 12% and 10% are allowed. If the customer pays cash within 30 days, an additional discount of 3% is granted. What is the cost if a carpenter takes advantage of all the discounts offered?
Buffalo Company makes and sells shampoo. Each unit requires $1.40 labor costs, material costs per unit are $0.90 and other variable costs are $0.30. It sells shampoo for $4.45 to retailers. Fixed costs are $15,000. It sold 25,000 units in the current month. What is the Break-Even point in units? What is the Break-Even point in dollars? What is the contribution margin of Buffalo Company?
2x2
Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.
Two particles of electrical charges Q1=3.8×10-⁶C and q,=4.4×10-⁶C are separated in vacuum by a distance of 4.0.10-⁸ m. Since K=9.0.10⁹ N.m²/C², the intensity of the interaction force between them, in newtons, is?
7- A printing company found in its investigations that there were an average of 6 errors in 150-page prints. Based on this information, what is the probability of there being 48 errors in a 1200-page job?
Solve the following system of equations using substitution. y=-4x- 11. 3x+7y=-2

You might be interested in