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BECE Mathematics 2019 Paper

Question : 2

Total: 40

Solution:

Concept:

Standard form is written as

a \times 10^n

, where

1 \le a < 10

and

n

is an integer.

Explanation:

0.000344

, the first non-zero digit is

3

Move the decimal point

4

places to the right to get

3.44

Since the decimal moves to the right, the power of

10

is negative.

Thus,

0.000344 = 3.44 \times 10^{-4}

This matches option C.

Answer:

\;\; 3.44 \times 10^{-4}

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