Question

The thickness of human hair is approximately 0.0003 cm. express this number in scientific notation using exponents.​

Answer 1

Answer:

To write the number 0.0003 in scientific notation, 0.0003 is repeatedly multiplied by 10 until the first non-zero number (in this case a 3) is just to the left of the decimal place: Step 1 - multiply by 10: 0.0003 x 10 = 0.003. Step 2 - multiply by 10 again: 0.003 x 10-1 x 10 = 0.03.

Step-by-step explanation:

Answer 2

Step-by-step explanation:

3×10^-4

this is correct i think