Question

(16\25)power-1÷(4/5)power-3 find the rational number​

Answer 1

Answer:

4/5 or 0.8

Step-by-step explanation:

(16/25)^-1 ÷ (4/5)^-3

by the law of exponent

a^-1 = 1/a

so, it is

(25/16)^1 ÷ (5/4)^3

you can write 25 as 5² and 16 as 4² so it will be

5²/4² ÷ 5³/4³

=5²/4² × 4³/5³

= 4/5

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