Q3 of 53 Page 94

Express the following information in the standard form
The diameter of a wire on a computer chip is 0.000005 cm

Given, diameter of a wire on a computer chip = 0.000005 cm.

= 0.000005

= 5

The diameter of a wire on a computer chip = 5 cm.

Express the following information in the standard form

The charge of an electron is 0.0000000000000000016 coulombs

Express the following information in the standard form

Thickness of a piece of paper is 0.0016 cm

In a pack, there are 5 books, each of thickness 20 mm and 5 paper sheets each of thickness 0.016mm. What is the total thickness of the pack.

Rakesh solved some problems of exponents in the following way. Do you agree with the solutions? If not why? Justify your argument.

x^–3 × x^–2 = x^–6

Questions · 53

4. Exponents and Powers

1 1 1 1 2 2 2 2 2 3 3 4 4 4 4 4 4 5 5 6 6 6 7 8 9 9 9 9 10 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 3 4 5 5 5 5 5

Express the following information in the standard formThe diameter of a wire on a computer chip is 0.000005 cm