1. When adding, the decimals MUST line up:
012.3
+32.1
2. When multiplying, you dont have to put the decimals side by side:
12.3
x323.55
Then you count how many numbers are after the decimals, which, in this case, is three.
Hope it helped!
Chat with our AI personalities
Round to the nearest decimal
to follow roman numerals is sereos in working
Some decimals repeat. Some decimals go on forever. Some decimals stop. Those are called terminating decimals.
Some decimals are. Counting numbers are a proper subset of decimals.
Same rules as adding whole numbers with different signs.