Answer:
a) 5y²
Step-by-step explanation:
5 divided by 1 is still 5
y^5/y^3 subtract the exponents since the base is the same
Answer:

Step-by-step explanation:
For this case we want to find this probability:

Because they want the area to the left of the value. We need to remember that the normal standard distribution have a mean of 0 and a deviation of 1.
We can use the following excel code: =NORM.DIST(-1.55,0,1,TRUE)
And we got:

The other possibility is use the normal standard table and we got a similar result.
<span>written in standard form
</span><span>
7.12 x 10^-3 = 0.00712
hope it helps</span>
Answer:

Step-by-step explanation:
Answer:
x = -2 3/5
Step-by-step explanation: