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Answer 1

Answer:

a) 7. b) 729. c) 1. d) 3125. e) 46656

Step-by-step explanation:

a) 7^4 × 7^-3

7^4+(-3)

7^4-3

7^1

7

b) 81 × 3^2

3^4 × 3^2

3^4+2

3^6

729

c) 7^8 ÷ (7^5 × 7^3)

7^8 ÷ (7^5+3)

7^8 ÷ 7^8

7^0

1

d) 625 × 5^2

5^4 × 5^2

5^4+2

5^6

3125

e) [(1/6)^-3]2

(1/6)^-3×2

(1/6)^-6

(6/1)^6

6^6

46656

Answer 2

Tune science ke jitne bhi chapter kar liye hai woh saare bhej de mujhe ok