Answer:
The answer is $450
Step-by-step explanation:
You need to do 150+150+150=450
or
150x3=450
Adding both equations
2x=4k
x=2k
y=k
so (2k,k)
<span>Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What is this number expressed in scientific notation?</span>
Answer:
Step-by-step explanation:
Given the equation 
Step 1;
Expand the bracket at the right hand side of the equation to have:

Taking the reciprocal of both sides:

Answer:
M
Step-by-step explanation:
5 comes from point M
I hope this is good enough for you: