Yes on some calculators it will make a difference.
Yes
-3^2 = 9 -(3^2) = -9
If I read the word "and" as "a", then a negative number in parentheses is a negative number.
If you square any real number it will always be positive.
Squaring is a number raised to the power of two. Scientific notation is a number multiplied by 10 to the power of a number.
the number is negative.
No. Parentheses have no direct effect on the sign of a number.
Then the answer becomes 4, the fact that you are squaring a negative number makes the result positive.
This means you have a negative balance.
Squaring. Doubling is only multiplying a number by 2, whereas, squaring is multiplying a number by itself :)
Accountants use those pointy parentheses that look like this: <> to indicate negative numbers. If your account reads <14.25> it means you owe $14.25
by either putting the negative number first, or by putting the negative number in parentheses. Like this: -9*1=-9 1*(-9)=-9