中等MATH-NUMB-002
Simplify (2^3 × 2^5) / 2^4.
A. 2^4✓ 答案
B. 2^12
C. 2^2
D. 4^4
解說
Add the exponents in the product and then subtract the exponent in the denominator: 3 + 5 − 4 = 4, so the value is 2^4. Adding all three exponents gives the trap 2^12. The base stays 2.