15 is an integer. The square root of 225 is 15.
The number next to the one is a five, which tells you that you need to round up. So, when rounding to the nearest hundred thousand, the answer would be 200,000 :) Hope this helped!
Sorry if i am wrong but it's 40
What grade are you in so I know what level you are on to help
Two halfs equal one whole. think of it like this, an orange cut in half leaves you with two halfs, put them together and you have a whole. simple. multiplying by 2 just means adding a number two times.
1 half plus one half= 2halves= 1 whole
1half x 2= 2 halves=1 whole