Math, asked by umail2umar, 8 months ago

3. Express the number appearing in the following statements in standard form. (i) 1 micron is equal to 1 1000000 m. (ii) Charge of an electron is 0.000,000,000,000,000,000,16 coulomb. (iii) Size of a bacteria is 0.0000005 m (iv) Size of a plant cell is 0.00001275 m (v) Thickness of a thick paper is 0.07 mm

Answers

Answered by dharmendrasinghasr01
28

Solution:

(i) 1 micron is equal to 1/1000000 m.

1/1000000

=1×10^-6

(ii) Charge of an electron is 0.000, 000, 000, 000, 000, 000, 16 coulomb.

0.000, 000, 000, 000, 000, 000, 16

=1.6 ×10^-19

(iii) Size of bacteria is 0.0000005 m

=0.0000005

=5 ×10^-7

(iv) Size of a plant cell is 0.00001275 m

= 0.00001275

=1.275 ×10^-5

(v) Thickness of a thick paper is 0.07 mm

=0.07

=7×10^-2

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