Advanced MathEasyWhich exponent gives 1
Advanced Math practice question
A student raises 2 to a whole-number power and gets 1. Which power did the student use?
- A. 0Correct
- B. 1
- C. 2
- D. −1
Answer: A. 0
Any nonzero number to the power 0 equals 1, and 2⁰ = 1.
Why the other answers are wrong
- B. 1
- 2¹ = 2.
- C. 2
- 2² = 4.
- D. −1
- 2⁻¹ = 1/2, and −1 is not a whole number.
More Advanced Math questions
- Easy
If f(x) = 3x − 7, what is the value of f(5)? - Easy
What are the solutions to x² − 9 = 0? - Easy
Which of the following expressions is equivalent to x² + 7x + 12 ? - Easy
The function g is defined by g(x) = x³ + 2x. What is the value of g(−2) ? - Easy
For x > 0, which of the following is equivalent to ∛(x⁵) ? - Easy
The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
Not affiliated with the College Board. SAT is a trademark of the College Board.