Question

Evaluate 5.4 to the power of 2

Answer 1

Answer:

5.4^2

=(5+0.4)2

using the formula(a+b)^2=a^2+2ab+b^2

we have;

5^2+2×5×0.4+0.4^2

=25+4+0.16

=29.16

we can also solve it directly, as:

5.4^2

=5.4×5.4

=29.16

Step-by-step explanation:

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