20
800/40 = 20
7
The value of the two final digits is in the 40s, so it rounds the number down to 800.
2000/40 = 50
about 64, 64.775 to be exact
1560 ÷ 40 = 39
"There were no Starbucks in the 40s" is correct.
6,000 divided by 40 equals 150.
Answer is not in the public domain.
The plural of 40 is 40s (forties), as in the man was in his 40s; the Second World War took place in the first half of the 40s.
800mL equals 80cL
There are 800 millions in 800 million.