Chapter 7.CM, Problem 1CM

To determine

To multiply:

$236\times 86$

Answer to Problem 1CM

Solution:

$236\times 86=20296$

Explanation of Solution

Given: $236\times 86$

Steps for multiplication.

Split up the smaller number into tens and ones.

Multiply the larger number by the number in tens digit.

Multiply the larger number by the number in ones digit.

Add up the two products.

The problem is $236\times 86$.

Larger number is $236$.

Smaller number is $86$,

Splitting up the smaller number into tens and ones.

$86=80+6$

Multiplying the larger number by the number in tens digit.

$236\times 80=18880$

Multiplying the larger number by the number in ones digit.

$236\times 6=1416$

Addding the two products.

$236\times 86=18880+1416$

Simplifying,

$236\times 86=20296$

Final statement:

$236\times 86=20296$