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JAMB Mathematics 2013 Paper
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© africaexams.com
Question : 3
Total: 47
Evaluate
1.25
×
0.025
0.05
, correct to 1 decimal place
0.6
6.2
6.3
0.5
Validate
Solution:
1.25
×
0.025
0.05
=
125
×
10
−
2
×
25
×
10
−
3
5
×
10
−
2
= 125 x 5 x 10
-3
= 625 x 0.001
= 0.625
= 0.6 Approx to 1 d.p.
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