Question

evaluate the following using suitable identity 9.8 cube​

Answer 1

==> (9.8)³

==> (10 - 0.2)³

==> 10³ - (0.2)³ - 3×10×0.2(10 - 0.2)

==> 1000 - 0.008 - 6(9.8)

==> 1000 - 0.008 - 58.8

==> 1000 - 58.808

==> 941.192

Answer 2

Answer:

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Step-by-step explanation:

==> (9.8)³

==> (10 - 0.2)³

==> 10³ - (0.2)³ - 3×10×0.2(10 - 0.2)

==> 1000 - 0.008 - 6(9.8)

==> 1000 - 0.008 - 58.8

==> 1000 - 58.808

==> 941.192