Question

. Find the number of significant figures a). 80000 *

Answer 1

Answer :

No. of significant figures in 80000 is 1.

➤ The rules for counting significant figures are as follows :

• All non-zero digits are significant.
• Exact number have an infinite number of significant figures.
• Zeroes before non-zero digit or before decimal are not significant and zeroes between two non-zero digits or after non-zero digit are significant, provided they are on the right side of the decimal point.
• After the decimal point in the result, there can't be more digits than any of the original numbers$.$

Cheers!