$MathMaster logo$

MathMaster

Home
general
round 840 to the nearest tens

Question

Round 840 to the nearest tens

93

likes

463 views

Answer to a math question Round 840 to the nearest tens

$Expert avatar$

4.7

82 Answers

**
1. Identify the digit in the tens place, which is

4

.
2. Identify the digit in the ones place, which is

0

.
3. Since the digit in the ones place is less than

5

, we round down the tens place digit to

4

and keep the hundreds place digit unchanged.

**Answer:**

840

Frequently asked questions (FAQs)

What is the result of multiplying a vector with components (2, -3) by a vector with components (-5, 4)?

+

The question: "Find the limit as x approaches 2 of (3x^2 + 5x - 2) / (x^2 - 4) using limit laws."

+

What is the result of multiplying a vector with components (4, -7) by a scalar of 3?

+

New questions in Mathematics

A circular park has a diameter of 150ft. A circular fence is to be placed on the edge of this park. Calculate the cost of fencing this park if the rate charged is $7 per foot. Use π = 3.14.

two particles start at the origin and move along the x axis. for 0 <= t <= 10, their respective position functions are given by x1 = cos(t) and x2 = (e^-3t) + 1. for how many values of t do the particles have the same velocity?

How many percent is one second out a 24 hour?

Determine the correct value: A company knows that invoices pending collection have a normal distribution with a mean of $1.65 million, with a standard deviation of $0.2 million, then: The probability that an invoice pending collection has an amount that is within more than 2 deviations below the mean, is:

Solve this mathematical problem if 3/5 of a roll of tape measures 2m. How long is the complete roll? Draw the diagram

using the math and science known about the jefferson river bridge Find a truss in use and develop a load diagram. Use a load of 50 lb on each joint along the bottom of the truss for a truss that actrs as a bridge and along the top joints for a truss that acts as a roof

Convert 9/13 to a percent

If a two-branch parallel current divider network, if the resistance of one branch is doubled while keeping all other factors constant, what happens to the current flow through that branch and the other branch? Select one: a. The current through the doubled resistance branch remains unchanged, and the current through the other branch decreases. b. The current through the doubled resistance branch decreases, and the current through the other branch remains unchanged. c. The current through the doubled resistance branch increases, and the current through the other branch remains unchanged. d. The current through both branches remain unchanged.

1. A jeweler has two gold bars, with 80% purity and the other with 95% purity. How much of each must be melted to obtain a 5 kilo ingot with 86% purity?

To find the increased amount on a standard term deposit with the following conditions: starting amount: BGN 13000, type of deposit: annual, annual compound interest rate: 1.4%, after 4 years;

Write an expression using compatible numbers that can be used to estimate the quotient 629\86

A company dedicated to the manufacture of shirts sells the units at a price of $40, the cost of each shirt is $24, a commission is paid for the sale of a unit of shirt of $2 and its fixed costs are $3500 Determine the marginal contribution

You buy a $475,000 house and put 15% down. If you take a 20 year amortization and the rate is 2.34%, what would the monthly payment be?

A block slides across the floor with a force of 20N, which has an angle of 30°. The mass of the block is 2kg and the coefficient of friction is 0.1. Calculate the value of all the forces involved in this system and finally the value of the acceleration.

Today a father deposits $12,500 in a bank that pays 8% annual interest. Additionally, make annual contributions due of $2,000 annually for 3 years. The fund is for your son to receive an annuity and pay for his studies for 5 years. If the child starts college after 4 years, how much is the value of the annuity? solve how well it is for an exam

7-1=6 6x2=12 Explain that

Write a linear equation in the slope-intercept form. Slope of the line is -1 and goes through (8,4)