Question

what is 1024 written as a power of a number?

Answer 1

factor 1024
1024=2*2*2*2*2*2*2*2*2*2=2^10 (means 2 times itself 10 times)

the options re
A. 4^5
B. 512^2
C.254^4
D. 5^4
see if any of them can be simplified to 2^10

we know that
$x^{m^{n} } = x^{mn}$
so
4^5=(2^2)^5=2^(2*5)=2^10
true

he answer is A. 4^5

Answer 2

Your asnwer is 

4^5 

Why?

Because,

4^5 = 4 × 4 × 4 × 4 × 4 = 1024
4^5 = 1024

1024 written as a power of a number is 4^5.