Answer:
Order of Operations.
Step-by-step explanation:
If we include -7 in the parenthesis, the exponent acts the negative as well. Therefore:
(-7)²= 49.
However, when squaring without the parenthesis, it will give us a negative number because:
The order of operations, or PEMDAS, states that exponents come before multiplication. Therefore, when doing '-7²', you would first need to square the '7', giving us:
-7² = -49
However, within parenthesis, everything inside will be squared.
Answer:
a
Step-by-step explanation:
Answer:
Step-by-step explanation:
985 = 5 * 197 = 1 * 5 * 197
The product of the divisors is 985
The sum is 203
Answer:
1/2
Step-by-step explanation:
Answer:
it should be an obtuse angle