What is 6.2 x 10 to the power of minus 1?

Answer 1

A number to a negative power (negative index or exponent) is simply the reciprocal of that number to the equivalent positive power.

Example 8⁻² = 1/8²

So 10⁻¹ = 1/10¹ = 1/10

Then 6.2 x 10⁻¹ = 6.2 x 1/10¹ = 6.2/10 = 0.62