First you multiply 1.42x1000 to convert from g to mg
then you divide 1420/100 to convert from cm to mm
so the answer is 14.2 mg/mm^2
Cesium is the biggest, atom wise.It has 55 protons.
8 minutes and 25 seconds is the same as 8.25 in decimal form.
Divide by 60 minutes.
60 / 8.25 = 7.27 miles per hour
Best of Luck!
Explanation:
Young babies need a lot of calcium because calcium makes bones strong ,it protects them against bone loss in future,and it also prevents them from a disease called rickets.