Answer:
The standard notation would be 141.7
Step-by-step explanation:
Answer:160
Step-by-step explanation:
Answer:
x = -7
Step-by-step explanation:
-7(?)=49
negative times a negative is a positive
7×7=49
-7×-7=49
Answer:
x=10, 2
Step-by-step explanation:
0=-x^2+12x-20
0=(-x+10)(x-2)
x=10
x=2