7¹² ÷ (7³)² = _____
(a) 7⁶ (b) 1 / 7⁶ (c) 7¹⁸
Write the correct answer from the given alternatives to make the statement true.
Answers
Answered by
1
ans is a) 7^6
7^12÷ 7^6 = 7^6
7^12÷ 7^6 = 7^6
Answered by
1
Option ( a ) is correct.
Explanation :
7^12 ÷ ( 7³ )²
= 7^12 ÷ 7^3×2
****************************************
We know the Exponential laws:
1 ) ( x^m )ⁿ = x^mn
2 ) ( x^m/xⁿ ) = x^m-n
***************************************
= 7^12 ÷ 7^6
= 7^12-6
= 7^6
•••••
Explanation :
7^12 ÷ ( 7³ )²
= 7^12 ÷ 7^3×2
****************************************
We know the Exponential laws:
1 ) ( x^m )ⁿ = x^mn
2 ) ( x^m/xⁿ ) = x^m-n
***************************************
= 7^12 ÷ 7^6
= 7^12-6
= 7^6
•••••
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