Question

First guess the answer and then check it by calculating:
$73\times 11=$

Answer 1

Guessing method:

$73\times 11=73\times 10=730$

Actual Calculation:

$73\times 11$

$=73\times (10+1)$

$=(73\times 10)+(73\times 1)$

$=730+73$

$=803$