What is the value of this expression when d=3
7d*(the star stands for 2 since i can't put it up in the top of 7) +10

answer;

the correct answer

just use google you beautiful person.

have a nice day < 3

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)