Question

(10^2 1+10^20):11...calculati

Answer 1

(10^21 + 10^20) : 11 =

10^20 x (10 + 1) : 11 =

10^20 x 11 : 11 =

10^20

Answer 2

$( {10}^{21} + {10}^{20} ) \div 11 = \\ = {10}^{20} \times ( 10 + 1) \div 11 = \\ = {10}^{20} \times 11 \div 11 = \\ = {10}^{20}$