Which answer shows 8.45x10^4 written in standard form?
2 answers:
Answer: 84500
Step-by-step explanation:
- Standard form also known as Scientific Notation which is a techniquen to express a very large or a very small number in the product of a decimal form of number [usually between 1 and 10] and powers of ten.
where, a= coefficient
x=Power
The given number in standard form :
Here , 10 is the base
Power =4
Now,
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We could leave it in this form, though, in this case, it might be better at if we multiplied both sides by -1 to get
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Answer with explanation:
To test the Significance of the population which is Normally Distributed we will use the following Formula Called Z test
→p(Probability) Value when ,z=3.756 is equal to= 0.99992=0.9999
⇒Significance Level (α)=0.01
We will do Hypothesis testing to check whether population mean is different from 25 at the alpha equals 0.01 level of significance.
→0.9999 > 0.01
→p value > α
With a z value of 3.75, it is only 3.75% chance that ,mean will be different from 25.
So,we conclude that results are not significant.So,at 0.01 level of significance population mean will not be different from 25.