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They can, but they are called imaginary numbers. This is because a "square" of something is the number that, when multiplied by itself, will equal the first number. A negative multiplied by a negative equals a positive, and positives can't turn into negatives on their own, so there are no square roots of negative numbers.
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What happened around the 16th century that caused to need to use negative numbers?
we dont know yet.....
What are the concepts of zero and negative numbers?
um blah blah dont forget the integer keep trying
Why are all whole numbers not integers?
Whole numbers are 0 , 1 , 2 , 3 etc.. (dont contain negative) Integers are -2 , -1 , 0 , 1 , 2 , 3, ie they CONTAIN whole numbers
What is negative 2 multiplied by negative 9?
18The two negatives will cancel out when multiplying, so the result will be a Positive number.So, just pretend the signs dont exist...2 x 9 = 18NOTE... When you multiply a bunch of numbers, look at how many of these numbers are negative. If the answer to that question is an Even number, then the product will be Positive. If the answer to that question is an Odd number, then the product will be Negative.Example: -3 x 4 x 6 x -5 x -7 x 3 = ....Since three of those numbers are negative (and THREE is odd), then the product will be Negative.
What are 10 facts about rational numbers?
root word is ratio,real number,can be negative/positive, is integer, whole number,and decimal that terminates or repeats ...... hope that could help i dont know anymore
