Question

How many significant figures are in 4.930 × 104 m?

Answer 1

In the scientific notation number 4.930 × 104 m, there are four significant figures. This includes the number 4, 9, 3 and the trailing zero, which is significant because it is after the decimal point.

Step-by-step explanation:

The question "how many significant figures are in 4.930 × 104 m?" is about identifying the number of significant digits in a number expressed in scientific notation. Scientific notation is a way to express numbers that are too large or too small to be conveniently written in decimal form. In scientific notation, all significant figures are included before the exponent.

In the number 4.930, there are four significant figures. The trailing zero after the decimal point counts as significant because it indicates precision. Therefore, 4.930 × 104 m has four significant figures.

Answer 2

The number 4.930 x 10⁴ m has four significant figures. Scientific notation clearly indicates all significant figures before the exponent.

The significant figures in a number are the digits that carry meaning in terms of precision and accuracy. In scientific notation like
`\(4.930 * 10^4\)`, the significant figures are the non-zero digits (in this case, 4, 9, 3, and 0), plus any zeros between them and after the last non-zero digit (since they are part of the notation and hence significant).

So, in
`\(4.930 * 10^4\)`, there are four significant figures (4, 9, 3, and 0).

Question:

How many significant figures are in 4.930 × 10⁴?