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1 year ago

Anggarkan nilai bagi 11.4³.A. 1731B. 1500C. 1331D. 1000

Business

1 answer:

umka2103 [35]1 year ago

3 0

Answer:

option C. 1331.

Explanation:

The question asks for an estimate of 11.4³.

To calculate 11.4³ exactly to must multiply 11.4 × 11.4 × 11.4.

But to have an estimate, the easiest way is to round 11.4 to 11 and find 11³ = 11 × 11 × 11.

That is not a difficult operation.

That is equal to 11² × 11.

11² is a common square, which you should know that it is 121. Else, you can multiply 11 × 11 easily and obtain 121:

11 × 11 = (10 + 1) × 11 = 110 + 11 = 121

Then multiply 11 × 121

11 × 121 = (10 + 1) × 121 = 10 × 121 + 121 = 1210 + 121 = 1331

There you have your answer: option C. 1331.

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1 year ago

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2 years ago

Anggarkan nilai bagi 11.4³.A. 1731B. 1500C. 1331D. 1000​

Anggarkan nilai bagi 11.4³.A. 1731B. 1500C. 1331D. 1000