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)
Question: How does the Fundamental Theorem of Calculus relate the calculation of definite integrals to finding antiderivatives?
+
What is the standard deviation of the set: {4, 8, 12, 16, 20}?
+
Find the measure of the third angle in a triangle if the two given angles measure 40Β° and 60Β°.
+
New questions in Mathematics