Oh, dude, let's break this down. So, in 378, you've got three hundreds, seven tens, and eight ones. So, there's only one 10 in 378. Math can be fun, right?
40
3.2 of them.
1000 of them.
2
30000 of them.
24 of them.
15
There are 5.6 of them.
378 meters is 37,800 centimeters.
378 ÷ 7 = 54
There are: 378/7 = 54 weeks
There are 8 10s in 85, with 5 left over.