Question

Round off each of the following
quantities to three significant figures:
a. 1.43 cm b. 458 x 10 cm
c. 643 cm d. 0.039 m
e. 6.398 x 10 km
f. 0.0179 g 9. 79,000 m
h. 42,150 i. 649.85;
j. 23,642,000 mm
k. 0.0041962 kg​

Answer 1

Answer:

a.1.430cm

b.458cm

c.643cm

d.0.039m

e.6.398km

f.0.018

g.9.790m

h.422

i.649.850

j.236mm

k.0.004kg