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 \(4^{20}\):
\(4^{20}+4^{20}+4^{20}+4^{20} = 4^{20 } (1 + 1 + 1 + 1) = 4^{20 } (4) = 4^{21}\)
\(4^{21} = (2^2)^{21} = 2^{42}\)
Reza is an experienced Math instructor and a test-prep expert who has been tutoring students since 2008. He has helped many students raise their standardized test scores--and attend the colleges of their dreams. He works with students individually and in group settings, he tutors both live and online Math courses and the Math portion of standardized tests. He provides an individualized custom learning plan and the personalized attention that makes a difference in how students view math.
More math articles
- How to Calculate and Interpret Correlation Coefficients
- 7th Grade CMAS Math Worksheets: FREE & Printable
- 4th Grade OST Math FREE Sample Practice Questions
- Intelligent Math Puzzle – Challenge 93
- ACT Math Test-Taking Strategies
- 8th Grade MAAP Math Worksheets: FREE & Printable
- How to Solve the Converse of Pythagoras’ Theorem Problems?
- 10 Most Common ACCUPLACER Math Questions
- Top 10 Tips to ACE the ACT Mathematics
- 4th Grade NYSE Math Practice Test Questions
What people say about "Number Properties Puzzle - Challenge 18"?
No one replied yet.