Question

How many significant figures in $7.89\times {10}^{11}$ liters?

• A. 3
• B. 1
• C. 11
• D. 5

Answer 1

Answer: (A)

The significant figures in the number $7.89\times {10}^{11}$ litres are $7,8$ and $9$. Therefore, the number of significant figures are $3$.