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BECE Mathematics 2011 Paper

Question : 39

Total: 40

Solution:

Concept:

Standard form expresses a number as

a \times 10^n

, where

1 \le a < 10

and

n

is an integer.

Explanation:

Write

3560

3560.0

Move the decimal point so it sits after the first non-zero digit:

3.5600

The decimal point is moved

3

places to the left.

Moving the decimal point to the left gives a positive power of 10.

Therefore,

3560 = 3.56 \times 10^3

Answer:

3.56 \times 10^3

Correct option: C.

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