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Friday, January 25, 2013

Round off 0.003086 to three significant figures.

1. What answer will you get if you round off 580895 to the nearest hundred thousands?
500000
600000
580000
5800

Ans: 600000

2. Express 15/100 in lowest terms.
2/5
7/9
3/20
11/21

Ans: 3/20

3. 25% of 16 is equal to
4
0.4
8
0.8

Ans: 4

4. Round off 0.003086 to three significant figures.
0.003
0.00309
0.0031
0.00308

Ans: 0.00309

5. What is the result when you round off 85678 to the nearest ten thousands?
91000
90000
9000
80000

Ans: 90000

6. Choose the best answer: 7/8 __ 21/40
>
=
<
None of the above

Ans: >

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