Choose the operation necessary to convert grams to kilograms.
a) x 100
b) x 1,000
c) ÷ 100
d) ÷ 1,000

Option D) ÷ 1,000

Step-by-step explanation:

we know that

One kilogram represent one thousand grams

1 kg=1,000 g

so

To convert grams to kilograms, divide by 1,000

To convert kilograms to grams, multiply by 1,000

In this problem is necessary to convert grams to kilograms

therefore

divide by 1,000

a and c

step-by-step explanation:

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)