2^-6 x (-7)^-2

Asked by ajayrath7 | 6th Jun, 2017, 10:37: AM

Expert Answer:

begin mathsize 16px style 2 to the power of negative 6 end exponent cross times open parentheses negative 7 close parentheses to the power of negative 2 end exponent
equals 1 over 2 to the power of 6 cross times fraction numerator 1 over denominator left parenthesis negative 7 right parenthesis squared end fraction
equals 1 over 64 cross times 1 over 49
equals 1 over 3136
end style

Answered by Rashmi Khot | 6th Jun, 2017, 12:25: PM