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BECE Mathematics 2021 Paper
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Question : 39
Total: 40
Express 0.725 as a fraction in its lowest term.
19
40
21
40
29
40
39
40
Validate
Solution:
Change the decimal to the form a
×
10
−
n
where
a
=
whole number
n
=
how many times you have to move the decimal point to the right to get a whole number
0.725
=
725
×
10
−
3
From the law of indices:
Cancel out
25 goes into 725,29 times and 1000, 40 times
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