Math, asked by mauryarammurat83, 4 days ago

Use the laws of exponents and simplify the following:
(1) 3-7 = 3-4
(ii) 54 x 5-10 x 5-2​

Answers

Answered by yagna9469
0

Step-by-step explanation:

3 - 7 = 3 - 4 \\   - 4 =  - 1 \\  - 4 + 1 =  - 3 \\  - 1 + 4 = 3 \\ hence \: answer = 3or - 3

2. \: 54 \times  - 5 \times 3 =  - 810

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