Question

By Which number should (4/5) ^-2 be multiplied to get (-4/5) ^-3?​

Answer 1

Answer:

x = -5/4

Step-by-step explanation:

=(4/5)^-2 × (x) =(-4/5)^-3

=(5/4)^2 × (x) = (-5/4)^3

= x = (-5/4)^3 ×(4/5)^2

= x = (-125/64) × (16/25)

= x = -5/4

Answer 2

Step-by-step explanation:

Let the number to be multiplied = x

The multiplied number = (4/5)-²

Therefore, (4/5)-² x X = (-4/5)-౩

A/q

(4/5)-² x X = (-4/5)-³

(4-²/5-²) x X = (-4-³/5-³)

(16/25) x X = -64 / 125

16/25 x X = -64/125

16x = -64/125 x 25

x = 12.8/16

x = 0.8

Hence, the number which multiplied is x =0.8

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