Save guides, add subjects and pick up where you left off with your BBC account. In every number, each place to the left is 10 times greater and each place to the right is 10 times smaller. The decimal ...
Your drum of nitroplasm holds 100 blompules and the fuel tank on your flying saucer holds 10 blompules. So how much of the drum do you need to use to fill up the tank? 10 out of a hundred can be ...