Number Properties Puzzle – Challenge 16
Enjoy exercising your brain? Looking for great math puzzles? If so, then you are in the right place.
Challenge:
What digit appears in the units place in the number obtained when \(2^{136}\) is multiplied out?
A- 0
B- 2
C- 4
D- 6
E- 8
The Absolute Best Book to Challenge Your Smart Student!
$11.99
Satisfied 123 Students
The correct answer is D.
Try to find the pattern:
\(2^1 = 2, 2^2 = 4, 2^3 = 8, 2^4 = 16, 2^5 = 32, 2^6 = 64\),
The pattern repeats every 4 numbers. Therefore, when \(2^{136}\) is multiplied out, the unit digit is 6. Why?The Absolute Best Books to Ace Algebra
$14.99Satisfied 1 Students$14.99Satisfied 92 Students$15.99Satisfied 125 Students
Related to This Article
More math articles
- How to Multiply Exponents? (+FREE Worksheet!)
- Rules of Exponents
- 10 Most Common 4th Grade MAP Math Questions
- 10 Most Common DAT Quantitative Reasoning Math Questions
- Best Calculators For 10th Grade Students
- Number Properties Puzzle -Critical Thinking 3
- How to Evaluate Trigonometric Function? (+FREE Worksheet!)
- How to Calculate Cylinder Volume and Surface Area? (+FREE Worksheet!)
- Embarking on an Adventure: How to Solve Word Problems Involving Percents of Numbers and Percent Equations
- What Kind of Math Is on the Computer Science?
What people say about "Number Properties Puzzle – Challenge 16 - Effortless Math: We Help Students Learn to LOVE Mathematics"?
No one replied yet.