Answer:
0.098 pounds per cubic inch
Explanation:
The density of aluminum is 2.7 grams per cubic centimeter (2.7g/cm^3)
2.7g/cm^3 × 1lb/453.59g × (2.54cm)^3/(1in)^3 = 0.098lb/in^3
Its 5m/s because you have to find out how many meters for one second so you divide
35/7=5 so that's your answer
Answer:
E
Explanation:
100 minutes is 5 half lives ( 100 min/20 min/half life)
= (1/2 )^5
1 x 10^20 * (1/2)^5 = 3.125 x10^18 molecules
Answer:
division of atoms are neither created nor destroyed therefore atoms can only be rearranged
