Question

Simplify [40 + 42 – 2

3

] x 3-2

2. Simplify ((–2)3

)

2 + 5-3 ÷ 5-5 – (1/2)0

and write in exponential form

3. Express (125)-4

as a power with base 5.

4. By what number should [(–5/2)3

]

-3 be multiplied to get (–2/5)5

5. Simplify [2-1 +30 + 51 + 72 + 93

] ÷ (2/3)-1 6.If (12/13)4 x (12/13)8 = (12/13)2x , find x

7. Find the value of (5n+2 – 5

n+1)/5n+3 8. Simplify (2/5)-3 x (2/5)2 x {(5/2)2}

-2

9. By what number should (–3/2)-4 be divided to get (–2/3)3

10. Simplify ((23 x 34

)

3 x (–5)3

)/(60 x (–2)5

)

11. Simplify (–25)3 x (1/5)-4

and express the result in power notation with positive exponent.

12. If 52x-1=1/(5)3x-9

, find x​

Answer 1

Answer:

1 59

2 -6

4 -2

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