Question

Simplify ( 5^2x7^4 ) 10

Answer 1

Answer:

5^20 • 7^40

Step-by-step explanation:

each exponent needs to multiply each 10.

Answer 2

Answer:

D. $5^{20}$ x $7^{40}$

Step-by-step explanation:

Original Equation=  $(5^2 \cdot 7^4)^{10}$  

Apply exponent rule: $(a\cdot b) ^n$ = $a^n$ $b^n$

= $(5^2)^{10}$  x   $(7^4)^{10}$

Distribute them

= $5^{20}$  x  $(7^4)^{10}$

= $5^{20}$ x $7^{40}$

Hope this helps!