What fraction is a reciprocal of 6 3/4

Find the improper fraction first by multiplying the whole number by the denominator and add the numerator and keep the denominator. 6x4+3=27 so the improper fraction would be 27/4

Next the reciprocal is where you switch the numerator and denominator so the reciprocal of 27/4 is 4/27.

1+1=22×1=22-1=11-1=1duh

Ithink it may be 10^3,that mean 10 'exponent ^3 would the population scientific in terms to evaluate by such and