Answer:
3^4 / 8^2 or 81/64
Step-by-step explanation:
(-8)^-2 / 3^-4 =
= 3^4 / (-8)^2
= 3^4 / 8^2
= 81/64
21= 1,3,7,21
30= 1,2,3,5,6,10,15,30
common factors= 1,3
Divide 90.65 by 12.95
90.65/12.95 = 7 books
Answer:
yes
Step-by-step explanation:
1+3=4
4+3=7
7+3=10
and 10+3=13