Question

Which of the following have same significant figures?

• A. $6.02\times {10}^{23}$
• B. $7.70\times {10}^{-20}$
• C. $7.50$
• D. $0.75$

Answer 1

Answer: (A), (B), (C)

The correct options are
A $6.02\times {10}^{23}$
B $7.70\times {10}^{-20}$
C $7.50$

The number of single digits that are important in the coefficient of an expression in scientific notation is termed as significant number.

$\left(A\right),\left(B\right)$ & $\left(C\right)$ have $3$ significant figures.

Wheras, $\left(D\right)$ has only $2$ significant figures.