Question

Find the value of a, if 64 x 420 = 47
on: We have
64 x 42a = 4? (factorize 64 = 4x4x4)
43x4 2a =47
4342a = 4? (using xa x xb = xa+b)
-e the same, so exponents will be the same.
3+2a=7​

Answer 1

Answer:

Can u send the questions properly please

Mark me as brainliest

Answer 2

Answer:

64

$64 \times 42a = 4 \\ 64 \div 4 = 1 \div 42a \\ 16 = 1 \div 42a \\ 16 \times 42 = 1 \div a \\ 672 = 1 \div a \\ a = 1 \div 672$