Question

How many significant digits are there in the measurement 50,600 mg A)4 B)5 C)6 D)7

Answer 1

Five. The measurement 50,600 mg has five significant digits.

I presume that you are using the comma as a decimal separator.

The rules for significant figures are
1. Nonzero digits are always significant.
2. Any zeros between two significant digits are significant.
3. Final or trailing zeros are significant only if they are to the right of a decimal point.

• According to Rule 1, the 5 and 6 are significant.
• According to Rule 2, the 0 between the 5 and 6 is significant
• According to Rule 3, the final two zeros are significant.

Thus, there are five significant digits in the measurement 50,600 mg.

Note: If the comma is a thousands separator, the number has only three significant digits.

Answer 2

5.

Step-by-step explanation:

Significant figures may be defined as the numbers of the digit that can carry to contribute the meaning of the exact measurement resolution. Significant figures follows some specific scientific rules.

All non zero digits are significant figures. The zeros that are present between the non zero digits are significant figures. The zeros that are present after the significant figures are considered as significant. Here, 5 significant figures are 5,0,6,0 and 0. Hence, the total significant figures are 5.

Thus, the correct answer is option (B).