Question

1)Convert the following into basic units (i) 28.7 pm (ii) 15.8 mg
answer with explanation..... I will mark as brainiest​

Answer 1

Explanation:

concept:- the basic unit for length is meter

for time is second and for mass is kilogram

(i)28.7pm

we know 1pm=10^-12m

so 28.7pm=28.7×10^-12m

=2.87×10^-11m

(ii)15.8mg

1mg=10^-3g

1mg=10^-6kg

so

15.8mg=15.8×10^-6kg

=1.58×10^-5kg