Nuclear power plants produce a waste product of cesium-137, which has a half-life of 30 years. how long would it take for the cesium to decay to 1/8 of its original amount?

90 years

Explanation:

it takes three halves of one to get to 1/8.

So 30 times 3 = 90

sorry i was late, but i don't know what assignment your talking about, i'm in flvs as well, im in earth space science. but u are behind pace bc every class should be in the 3's or 4'

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying