Question

The value of ${(-5)}^7\times {\left(2\right)}^7$ is

• A. ${(-10)}^7$
• B. ${\left(10\right)}^7$
• C. ${\left(5\right)}^7$
• D. ${(-2)}^7$

Answer 1

The correct option is A ${(-10)}^7$

We know that $a^m\times b^m={\left(ab\right)}^m$
${(-5)}^7\times {\left(2\right)}^7={(-10)}^7$