Ruby is visiting San francisco. From her hotel she walks 1 block west and 2 blocks south to a coffee shop. Then she walks 4 blocks east and 6 blocks south to a museum. where is the museum in relation to her hotel?

answer:

c 60% on edg

f is the midpoint of

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)