Question

using formula a²-b² find value of 1.15×0.85​

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Answer:

.

Step-by-step explanation:

1.15 and 0.85 can be written as

1.15=100+0.15

0.85=100-0.15

Now by using formula

(a+b) (a-b)=a2-b2

(100+0.15) (100-0.15)=100^2-(0.15)^2

=10000-0.0225

=999.9775

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