Question

1. which of the following quantities has the greatest number of significant figures: 0.753 20 g, 5.59 g, or 29 000 tons? 5.59 g 29 000 tons 0.753 20 g

Explanation:

Step1: Determine significant - figures of 0.75320 g

Non - zero digits and trailing zeros after a decimal point are significant. So, 0.75320 has 5 significant figures.

Step2: Determine significant - figures of 5.59 g

All non - zero digits are significant. So, 5.59 has 3 significant figures.

Step3: Determine significant - figures of 29000 tons

Trailing zeros in a whole number without a decimal point may or may not be significant. Here, assuming no decimal point, 29000 has 2 significant figures.

Answer:

0.753 20 g