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?

Answer in Explanation

Explanation:

a) 1,000,000

Explanation: kg*1000=grams

b) 1000

Explanation: m/1000=km

c) 1,314,000

Explanation: year value*525600

4) 0.00056 kg

Explanation: mg/1e+6=kg

and i apologize for not being able to answer 2 or 3 but im only good at science, not math :(

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg