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1. Temperature below zero
2. Earning money is positive, owing it is negative
3. Fractions can be represented as negative exponents.
4. To take dollars off a price, i.e. a discount.
5. When talking about how much a price has gone up or gone down. We use negatives for down
6. Gaining weight is positive, loosing it is negative.
7. Profit is positive, loss of income is negative.
8. Amount of refund when you return something.
9. The height of a mountain is positive, the height of a valley is negative.
10. Coupons can be used for negative number. A 5 dollar off coupon if the price plus negative five dollars.
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What two numbers multiply to 150 and add to negative 25?
175
Is negative 7 greater than negative 10?
Yes - imagine a number line going from negative numbers to positive numbers. All numbers to the left of others are heading in descending order, while all numbers to the right are in ascending order. Since -7 is to the right of -10, it is larger.
What are two numbers that multiplies to 100 and adds up to negative 20?
120
10 Why is twos complement usually used to represent integers?
The advantage of the two's complement method is that the procedure for adding or subtracting numbers is the same, whether the numbers are positive or negative. This makes the hardware for managing these numbers simpler.
What are non-negative numbers?
A non-negative number is a number which does not require a negation sign. There is a distinction to be made here between positive numbers and non-negative numbers, where non-negative numbers can include 0, while positive numbers do not include 0.
