Question

evaluate 0.92 × 1.08 by using appropriate identities

Answer 1

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Answer 2

Answer:

$0.92\times 1.08=0.9936$

Step-by-step explanation:

Given : Expression $0.92\times 1.08$

To evaluate : The expression by appropriate identities?

Solution :

Solving the expression,

$0.92\times 1.08$

$=(1-0.08)\times (1+0.08)$

Using the identity, $(a+b)(a-b)=a^2-b^2$

Where, a=1 b=0.08

Substituting,

$=1^2-(0.08)^2$

$=1-0.0064$

$=0.9936$

Therefore, $0.92\times 1.08=0.9936$