Question

daimeter of the thickness of human hair is 0.0002cm approx . change in standred form

Answer 1

Heya!!Here is your answer friend ⤵⤵

Thickness of human hair = 0.0002cm

Now, to express it in standard form we have to shift 4 places to the right .

Anne when we shift to the right we subtract the powers

so it becomes

$0.0002cm = 2 \times 10 {}^{ - 4}$
Hope it helps you ✌✌