Question

Express 49^(- 4) as power with base as 7 ​

Answer 1

Step-by-step explanation:

PLEASE MARK AS BRAINLIEST

Answer 2

Step-by-step explanation:

49 can be written as

$7 \times 7$

=

${7}^{2}$

therefore

${49}^{ - 4}$

=

$( {7^{2}) }^{ - 4}$

=

${7}^{ - 8}$

as we know the formula

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