Which of the following metric relationships is incorrect?

a. 1 microliter = 1x10-8 liter

b. 1 megahertz = 1x108 hertz

c. 1 kilogram= 1x103 grams

d. 1 millimeters= 1 x10-3 meters

d. 1 meter= 1x10-2 centimeters

2. Convert 7320 grams to kilograms and present the number with proper number of digits.

a. 7320 kg

b. 7.320 kg

c. 73.2 kg

d. 7.32 kg

*Would appreciate the work done out as well so I can learn how to do it!