English, asked by likhitharani59, 8 months ago

please answer the question ​

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Answered by pramodgupta1982
1

Answer:

-21 to the power 8

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Answered by viratkohli1805
2

Explanation:

If two bases have same power then a law of exponent can be applied and that law is:-

If two bases have same power then a law of exponent can be applied and that law is:-→ aⁿ × bⁿ = (ab)ⁿ

Now, apply this law on (-3)⁴ × (7)⁴:-

→ Using aⁿ × bⁿ = (ab)ⁿ:-

→ (-3)⁴ × (7)⁴ = (-3 × 7)⁴

→ (-3)⁴ × (7)⁴ = (-21)⁴

If we want to evaluate (-21)⁴ then, we can but if we didn't want then we can leave till here only.

But I'm evaluating (-21)⁴ also, as:-

→ (-21)⁴ = -21 × -21 × -21 × -21

→ (-21)⁴ = 194,481

Therefore, on evaluating (-3)⁴ × (7)⁴ we get (-21)⁴ or 194,481 as our answer.

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