answer hole exercise or do not ans
Answers
1. (i) 0.0000000000085 = 85 x 10⁻¹³
(ii) 0.00000000000942 = 942 x 10⁻¹⁴
(iii) 6020000000000000 = 602 x 10¹³
(iv) 0.00000000837 = 837 x 10⁻¹¹
2. (i) 0.00000302
(ii) 0.00045
(iii) 0.00000003
(iv) 0.000000001001
(v) 0.0000000000058
(vi) 0.00000361492
3. (i) 1/1000000 m = 10⁻⁶
(ii) 0.00000000000000000016 coulomb = 16 x 10⁻²⁰
(iii) 0.0000005 m = 5 x 10⁻⁷
(iv) 0.00001275 m = 1275 x 10⁻⁸
(v) 0.07 mm = 7 x 10⁻²
4. No. of books = 5
Thickness = 20mm
Total thickness = 5 x 20 = 100 mm
No. of paper sheets = 5
Thickness = 0.16 mm
Total thickness = 5 x 0.16 = 0.8
Total thickness of the stack = 100 + 0.8
= 100.8
= 1008 x 10⁻¹
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