Question

A hydrogen atom is about 5×10 to the -11 power

Answer 1

Factors are numbers that can be multiplied by an integer to obtain the desired integer

The size of the human hair is 1.0 × 10⁻⁴ meters

Reason:

The given parameters are;

The size of an hydrogen atom is 5 × 10⁻¹¹   meters

The width of the human hair is 6 times as big

Therefore, we have;

The width of the human hair is 2 × 10⁶ times as big, therefore, we have;

The size of the human hair = 5× 10⁻¹¹ × 2 × 10⁶ = 1.0 × 10⁻⁴

The size of the human hair is 1.0 × 10⁻⁴ meters

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