135 135
The answer is 270 because you half 500 which is 250 then half 40 which is 20 then add them together and you have the answer which is 270 :)
135
It is 540/2 = 270
270
Four and one half hours in 270 minutes
About 270.
270
270 minutes.
The mass number of the isotope with the longest half life, Bh-270, is 270.
Its about 270 miles. In the car it would take around 3 an a half hours Its about 270 miles. In the car it would take around 3 an a half hours
4.5 × 60 = 270 seconds.
1 year = 12 months 270 months * (1 year/12 months) = 22.5 years Therefore, 270 months is 22 and a half years.