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
- How to Perform Similarity Transformations: Step-by-Step Guide
- How to Estimate Angle Measurements
- How to Overcome GED Math Anxiety?
- How to Solve Systems of Equations Word Problems? (+FREE Worksheet!)
- 8th Grade ACT Aspire Math Practice Test Questions
- How to Graph Logarithmic Functions?
- 5th Grade New York State Assessments Math Worksheets: FREE & Printable
- 6 Best Pre-Algebra Study Guides
- How to Use Benchmark to Compare Fractions?
- The Ultimate ALEKS Math Course (+FREE Worksheets & Tests)
What people say about "Number Properties Puzzle – Challenge 18 - Effortless Math: We Help Students Learn to LOVE Mathematics"?
No one replied yet.