Question

(4/5)^-2 * (2/5)^3?

Answer 1

0.1

Answer 2

how did you do that?

Answer 3

1/10

Answer 4

0.8^-2=25/16

Answer 5

2/5 ^ 3 = 8/125
25/16 * 8 /125

Answer 6

1) you can write that equation like this (see the attachment)
2) then expand the brackets & cancel the denominator (5^2)

Answer 7

\[(2/5)^3/(4/5)^2\]
\[(8/125)*(25/16)\]
\[(1/5)*(1/2)\]
\[1/10\]