Answer:
B) -7
Step-by-step explanation:
x+y
8+(-15)=8-15=-7
First one is 7.73 (23.19/3)
Second one is 14.04 ((19.71/7.3) x 5.2)
For # 1, the answer will be 1 because of the exponential rule

.
#2, the answer is going to be

because of the exponential rule

.
#3. I'm not sure that this could be simplified any further.
#4 To get the answer to this question, we must apply the distributive property, along with the exponential rule
. When we apply these properties, we'll get

For the other questions, they all apply the Laws of Exponents.
Answer:
-7 and 9!
Step-by-step explanation:
To get to the sum of 2 you add -7 and 9.
To get to the diffrence of -16 you minus -7 and 9.
Answer:
Obtendrías 1
Step-by-step explanation:
Primero resta 5 de 8 para obtener 3,
luego reste por 2 para obtener 1
¡Espero eso ayude!