Question

3. Express each of the following in the standard form:
(a) The number of cm in 48 km
(b) The number of grams in 3 tonnes.
(c) The number of seconds in 2 years.
(d) The number of sq cm in 5 hectares (1 hectare = 10000 sq m).​

Answer 1

Step-by-step explanation:

1. 4800000cm

2.3000000g

3.63113851.9 seconds

4.500000000 sq.cm

plese mark as brainiliest answer

Answer 2

3000000

Step-by-step explanation:

1km = 100000cm

=1000000 ×300

3000000