Number Properties Puzzle – Challenge 18
This is a great math challenge that hones students’ logic and creative thinking skills the fun way.
Challenge:
\(4^{20}+4^{20}+4^{20}+4^{20} =\) ?
A- \(4^{120}\)
B- \(16^{30}\)
C- \(4^{30}\)
D- \(2^{40}\)
E- \(2^{42}\)
The Absolute Best Book to Challenge Your Smart Student!
The correct answer is E.
Factorize \(4^{20}\):
\(4^{20}+4^{20}+4^{20}+4^{20} = 4^{20 } (1 + 1 + 1 + 1) = 4^{20 } (4) = 4^{21}\)
\(4^{21} = (2^2)^{21} = 2^{42}\)
The Absolute Best Books to Ace Algebra
Related to This Article
More math articles
- The Ultimate DAT Quantitative Reasoning Course (+FREE Worksheets & Tests)
- How to Understand ‘If-Then’ Conditional Statements: A Comprehensive Guide
- Theories and forms of democracy
- Citing Text Evidence in Grade 7: How to Move from Vague Answers to Strong Analysis
- How to Master Decimals: From Words to Numbers!
- How to Prepare for the ASVAB Math Test?
- Gatekeeping, Agenda Setting, and Framing
- What Is The Best Calculator For Trigonometry?
- Grade 3 Math: Rounding Numbers
- Selective Incorporation and the Fourteenth Amendment
What people say about "Number Properties Puzzle – Challenge 18 - Effortless Math"?
No one replied yet.