Question

please answer these sums​

Answer 1

Answer:

1. 4^-3= -64

2. (-3/5)^-3= 27/125

3. (-7/4)^-3 = 343/64

4. (-10)^-3×(-10)^2=. (-10)^-3+2=. (-10)^-1=. 10

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Answer 2

Answer:

a = -17 b= 7/5

c= 12/4 d= 120⅜