Question

$(-1)^{150 } \times \sqrt {625}=?$

• A. 15
• B. 25
• C. −15
• D. −25

Answer 1

Answer:

B. 25

$(-1)^{150 }$ = 1

$\sqrt {625}$ = 25

$(-1)^{150 } \times \sqrt {625}$ = 1 × 25 = 25