Question

Find 12×45 using distributivity.​

Answer 1

12 × 45 = 540

Given :

The expression 12 × 45

To find :

Value of the expression using Distributive property

Concept :

Distributive Property :

For there real numbers a , b , c

$\sf{a \times (b + c) = (a \times b) + (a \times c)}$

Solution :

Step 1 of 2 :

Write down the given expression

The given expression is 12 × 45

Step 2 of 2 :

Find the value of the expression

$\displaystyle \sf{ 12 \times 45}$

$\displaystyle \sf{ = 12 \times (40 + 5)}$

Applying Distributive Property

$\displaystyle \sf{ =( 12 \times 40 )+ (1 2\times 5)}$

$\displaystyle \sf{ =480 + 60}$

$\displaystyle \sf{ = 540}$

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