A minus sign. (-)
Negation
The minus sign.
Adding a negative number to a negative number makes a larger negative. In order to solve this you add the numbers together as a positive then add a negative sign.
Multiplying something by a negative number makes it change signs. A positive number multiplied by a negative is negative therefore a negative * a negative is positive.
the number 1.2 is a real and rational number
Yes. It makes a whole number a fraction.
Because if the number is already negative and you take away more it will be even farther away from being positive. I hope that makes sense!
It is a negative number, because every pair of negative factors makes a positive, and you have 10 pairs plus one left over.
Yes. If it was negative then .15 would be larger. Unless it’s negative then the smaller number is smaller. If negative, the smaller number would be larger. If that makes sense.
Multiply the integer by -1 this makes the number positive.
No, they are quite real. It is just that in some situations it makes sense to use negative numbers, in others not.
Then the answer becomes 4, the fact that you are squaring a negative number makes the result positive.