1)convert the following
a)1000 kg into grams
b)1000000 m into km
c)2.5 years into minutes?
2)A length 650 cm of thin thread wraps around a cylinder exactly 30times calculate the circumference and the radius of the cylinder
(take) ?
3)Describe how you would measure the diameter of a atennis ball?
4)A patient takes adrug of 560mg. How many kilograms are there in this drug?​