Question

write the exponential form log7 1/343=-a​

Answer 1

Answer : -3

=>

$log_{7}(\frac{1}{343} ) = - x$

=>

rewrite the above equation in exponential form using the definition of a logarithm. If x & b are positive real numbers and b doesn't equal to

1.

then,

$( log_{b}) (x) = y$

is equal to

${b}^{y} = x$

${7}^{x} = \frac{1}{343}$

create equivalent expressions in the equation that all have equal bases.

${7}^{x} = {7}^{ - 3}$

Since the bases are the same, the two expressions are only equal if the exponents are also equal.

x = −3

−3The variable x is equal to −3.

Answer 2

a=3 as the question is given -a(-(-3)=+3