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Maths-

General

Easy

Question

Rewrite (7.7.7.7 + 5.5.5 -3.3.3) in simplest form using exponents:

(7⁴ + 5³ -3³)
(4⁷+5³ +3³)
(7⁵+ 5³ -3³)
(4⁷-5³ -3³)

hint Hint:

We have to write the given question in exponent form.

The correct answer is: (7⁴ + 5³ -3³)

The given value is
(7.7.7.7 + 5.5.5 - 3.3.3)
When we have a^m aⁿ = a^m+n

Here we have 7.7.7.7=7^1+1+1+1
=7⁴
5.5.5 = 5¹⁺¹⁺¹
= 5³
3.3.3 = 3¹⁺¹⁺¹
= 3³
So, (7.7.7.7+5.5.5-3.3.3) = (7⁴ + 5³ -3³)

Sometimes if the power is not one, we have to be careful while adding that.

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