Ch:-4 Exponent and power
subject:- Maths
School:- Podar international school
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Answered by
28
Answer:
1/7 or 7^-1
Step-by-step explanation:
3³×5³×7²/21³(7-2)³
=3³×5³×7²/(7×3)³×(5)³
=3³×5³×7²/7³×3³×5³
=3^3-3 × 5^3-3 × 7^2-3
=3^0 × 5^0 × 7^-1
=1×1×(1/7)
= 1/7
Answered by
1
Answer:
Here is the solution .
Hope it helps =)
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