Answer:
b
Step-by-step explanation:
Answer:
image attached
Step-by-step explanation:
The answer is the last one; to express very large or small numbers.
We use it so we can show big or very small numbers in an easier way.
Answer:
4
Step-by-step explanation:
=
=4
B-(-7)= -1
First negative multiply by negative is POSITIVE.
So: B+7= -1
Subtract 7 from both sides
B= -7-1
B= -8.
Answer: -8.
To Check Answer: Plug in the variable of B in the original equation.
So: -8-(-7)= -1
-8+7= -1
-1= -1
If the Solution works out the answer is right.