Evaluate and use the correct number of sigfigs
4/3 (3.14159)(4.7 in)^3

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

What is the overall order of reaction for rate = k[no]2[o2]

What substance has a mass of 9.5g and volume of 2.1cm^3