Multiplying monomials. please

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asked Oct 27, 2022 93.5k views

2 votes

Multiplying monomials. please

Mathematics
college

Daniel Kreiseder asked

by Daniel Kreiseder

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2 Answers

2 votes

Answer:

28a^9

Explanation:

Jsingh answered Oct 29, 2022

by Jsingh

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Answer:

${4a}^(4) * {7a}^(5) \\ \\ = (4 * 7)( {a}^(4) * {a}^(5) ) \\ \\ = 28( {a}^(4) * {a}^(5) )$

from law of indices:

${n}^(x) * {n}^(y) = {n}^((x + y))$

therefore:

$= 28 \{ {a}^((4 + 5)) \} \\ \\ = 28 {a}^(9)$

Rahul Prasad answered Oct 31, 2022

by Rahul Prasad

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