Question

State the number of significant figures in each of the following.
(a) 3800 m to the nearest 10 m)
(b) 25 000 km (to the nearest km)
(c) 100 000 g (to the nearest 10 000 g)

Answer these questions

Answer 1

Answer:

a) 3 s.f. b) 5 s.f. c) 2 s.f

Step-by-step explanation:

a) round off to the nearest ten which will give us the answer 380. It has 3 significant figures.

b) nearest km means nearest whole number. It is already rounded to the nearest whole number so 25000 has 5 significant figures.

c) We will round off to nearest 10 thousand which will give us 10 that has 2 significant figures.