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Answer:
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I-1-1 dm = 0.1 m.
2-537 ÷ 100 = 5.37.
3. 29.4 ÷ 7 = 4.2
4. 0.009 × 4.9 = 0.0441.
5. 5.2 – 2.37 = 2.83.
II-1-1 km = 1000 m
so, 6km 350m =(6×1000)+350
= 6000+350
= 6350 m
2-The thickness of 54 sheets of paper is 15.12 mm
So, For one sheet thickness is
=15.12/54 mm
=0.28 mm
Now, 1 cm=10 mm
So, 0.28 mm=0.28/10=0.028 cm
3-(i) 0.46×0.93= 0.4278 [ since there are four digits after decimal]
(ii) 46× 0.093= 4.278 [since there are three digits after decimal]
4-It should be divided by 100 to remove two zeroes and give 0.01 from 0.0001.
5-0.754/3 = 0.251333333--------
So, according to 1 decimal place as indicated - 0.754/3 = 0.2
1. 0 is greater than every negative integer
2. The absolute value of an integer is regardless of its direction.
3. - 45 = 5 × -9
4. – 60 ÷ −15 = 4
5.
6. -21
7. 11 + -27 = - 27 + 11
8. -59
9. -20480
10. T
II. 1.in image
2. in image
3.
4.
5.
