Q: What is the number of significant figures in (3.20 + 4.80) × 105 ?
(a) 5
(b) 4
(c) 3
(d) 2
Click to See Answer :
Ans: (c)
Sol: $\displaystyle (3.20 + 4.80)\times 10^5 $
$\displaystyle = 8.00 \times 10^5 $
S.F = 3
Science and Education
Q: What is the number of significant figures in (3.20 + 4.80) × 105 ?
(a) 5
(b) 4
(c) 3
(d) 2
$\displaystyle = 8.00 \times 10^5 $
S.F = 3