(2.6*10^7)(7*10^22)=1.82*10^29, 2.3*10^11/3*10^8=7.67*10^3, (3.8*10^27)(3*10^-4)=1.178*10^31, 6.45*10^3/2.4*10^-9=2.6875*10^-6. true or false? plz

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days