Question

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$\mathsf{Simplify :}$
$\mathsf{343}^\mathsf{x} \times\mathsf {7}^ \mathsf{2}$

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Answer 1

Step-by-step explanation:

=> 343×7²

=> 343×(7²)

=> 168107

This is your answer

Answer 2

Answer:

${7}^{3x + 2}$

Step-by-step explanation:

$since \: \: {7}^{3} = 343$

we can write,

${( {7}^{3} )}^{x} \times {7}^{2}$

using,

${ {(a}^{n} )}^{m} = {a}^{nm}$

$we \: get \: \\ {7}^{3x} \times {7}^{2}$

now using,

${a}^{n} \times {a}^{m} = {a}^{n + m}$

$we \: get \\ { {7}^{3} }^{x} \times {7}^{2} = {7}^{3x + 2}$