Question 10 of 17beginner🧠 RememberVery Short1 mark
State the number of significant figures in the following:
(a)
0.007 m²
Answer
1
(b)
²⁴ kg
Answer
3
(c)
0.2370 g cm⁻³
Answer
4
(d)
6.320 J
Answer
4
(e)
6.032 N m⁻²
Answer
4
(f)
0.0006032 m²
Answer
4
Explanation
The textbook provides specific rules for determining significant figures. For (a), the zeros to the left of the first non-zero digit are not significant. For (b), all non-zero digits are significant. For (c) and (d), trailing zeros in a number with a decimal point are significant. For (e) and (f), zeros between two non-zero digits are significant.