Question

State the number of significant figures in the following (a) 0.007 m^2(b)2.64×10^24 kg(c)0.2370 g cm^-3(d)6.329 j(e)6.032 nm^-2(f)0.0006032 m^2​

Answer 1

a) 1

b)27

c)3

d)4

e)4

f)4

Explanation:

There are three rules on determining how many significant figures are in a number:

Non-zero digits are always significant.

Any zeros between two significant digits are significant.

A final zero or trailing zeros in the decimal portion ONLY are significant.