Answer:
5.78 * 10^8
Step-by-step explanation:
8.5 * 6.8 = 57.8
5+2=7
In scientific notation the number has to be greater than or equal to 1 and less than ten.
Answer:
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
3 + x>-9 x=12 15>-9
Answer:
he sold 4 boxes of cookies and 3 chocolate bars
Step-by-step explanation:
5+5+5+5 = 20 3+3+3 = 9 so add 20+9 = 29
Answer:
The value of the test statistic is of 0.22.
Step-by-step explanation:
Our test statistic is:

In which X is the sample mean,
is the expected mean,
is the standard deviation(square root of the variance) and n is the size of the sample.
A lumber company is making boards that are 2920.0 millimeters tall.
This means that
.
A sample of 12 is made, and it is found that they have a mean of 2922.7 millimeters with a variance of 121.00.
This means that
. So



The value of the test statistic is of 0.22.