Marshall buys a sack of peaches for $5.98. The peaches weigh 2.77 pounds. About what price per pound did Marshall pay? Estimate using compatible numbers.

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)