There are 78 tourists going on a sightseeing trip. the tour company's buses hold 12 people each how many buses will they need?

7 buses

Step-by-step explanation:

when doing a problem like this you have to divide the larger group of people by the smaller group

78 divided by 12 = 6.5

if u answered this multiplication problem correctly you would get 6.5 but u cannot put .5 people on a bus lol. so therefore u are not done yet... so u need to round up

here's a poem to help with ur rounding...

Find a place look next door

4 or less let it rest

5 or more raise the score!!!

so in conclusion your answer would be 7!

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)

the answer is 13 cm