Question

5^-8 x 5^4
x= multiply not a variable

Answer 1

so am i trying to find x?

Answer 2

==5^4/5^8=1/5^4

Answer 3

no you are mltiplying them . . . i need it in a fraction. .

Answer 4

do i know you mimi?

Answer 5

idk do you?

Answer 6

\[5^{-8}\times 5^4= \frac{5^4}{5^{-8}}=\frac{1}{5^4}=\frac{1}{625}=0.0016\]

Answer 7

5^-8 x 5^4
using the law a^m x a^n = a^m+n

5^(-8)+4 = 5^-4
using the law a^-m = 1/a^m
1 1
5^-4 = ----- = -----
5^4 625

Answer 8

in that first fraction there shouldnt be a -8, just an 8.

Answer 9

im gonna write this all down =)

Answer 10

knowledge of exponential laws is very important for solving such sums...☺

Answer 11

ohhh no no, its just that my cousin uses the same name, lol sorry

Answer 12

hahaha thats ok =)

Answer 13

are you korean? or do u listen to kpop?