Question
4x21 using doubling twice strategy
50
likes250 views
Answer to a math question 4x21 using doubling twice strategy
Nash
4.987 Answers
1. First doubling:
4 \times 21 = (2 \times 21) \times 2
2. Simplify inside the parentheses:
2 \times 21 = 42
3. Second doubling:
42 \times 2 = 84
Answer:
4 \times 21 = 84
2. Simplify inside the parentheses:
3. Second doubling:
Answer:
Frequently asked questions (FAQs)
What is the value of y when x = 3, given the circle function x^2 + y^2 = 16?
+
Math Question: Find the angle (in radians) whose sine is 0.5.
+
What is the common radian measure of a quarter circle?
+
New questions in Mathematics