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 Add and Subtract Mixed Time Units
- 10 Most Common 6th Grade NYSE Math Questions
- 7th Grade LEAP Math Worksheets: FREE & Printable
- How to Perform Similarity Transformations: Step-by-Step Guide
- Full-Length SAT Math Practice Test
- Zero and One: The Fundamental Pillars of Mathematics
- How to Understand Dot Product and Cross-Product
- How to Solve Perfect Square Trinomial?
- FREE 6th Grade STAAR Math Practice Test
- How to Graph Transformation on the Coordinate Plane: Rotation?
What people say about "Number Properties Puzzle – Challenge 18 - Effortless Math: We Help Students Learn to LOVE Mathematics"?
No one replied yet.