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kari74 [83]
4 years ago
15

PLZZZZZZZZZZZZZZZZZZZZZZZZZ HELPPPPPPPPPP

Mathematics
1 answer:
Umnica [9.8K]4 years ago
6 0

Neither of them are correct.

This is what Annabelle is doing:

(4^2+7^5)(4^3+7^2)

This is what Navelle is doing:

(4^27^2)(4^37^2) \implies 4^{2*3}7^{2*5}

Navelle is multiplying the exponents. You only do that when you raise an exponent to a power under parenthesis. Annabelle mistook multiplication for addition, and she got her answer as a result. This is the correct way to do it:

4^27^5*4^37^2=4^{2+3}*7^{2+5}=4^5*7^7

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