Alex wrote the expanded form for the number 165.038 as "100 60 5 30 8." was he correct? if not, give the correct expanded form.
1 answer:
The expanded form for the number 165.038 is 100+60+5+0.03+0.008.
<h3>What is the expended form of decimal numbers?</h3>Writing decimals in expanded form simply means writing each number according to its place value. This is done by multiplying each digit by its place value and adding them together. Let's look at an example: 2.435. In words, we would say this as two and four hundred thirty-five thousandths.
In the given question expended form 100+60+5+30+8 is wrong.
After decimal point the first digit is at the tenth place and second digit at the hundredth place and third is at the thousandth place and so on....
165.038 = 100+60+5++
+
= 100+60+5+0.03+0.008
Hence, The correct expended form of the given number is 100+60+5+0.03+0.008.
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Since,Z < -1.65 we reject H₀
i.e there is enough evidence for the pharmacist to reject the null hypothesis
What is the null hypothesis?
Conjectures used in statistical tests, which are formal techniques for drawing conclusions or making judgments based on data, include the null hypothesis and the alternative hypothesis. The hypotheses, which are based on a sample of the population, are suppositions regarding a statistical model of the population. The tests are essential components of statistical inference and are frequently used to distinguish between statistical noise and scientific claims when interpreting experimental data in science.
"The null hypothesis is the proposition under investigation in a statistical significance test. The significance test is intended to determine how strong the evidence is against the null hypothesis. The null hypothesis is typically a claim that there is "no effect" or "no difference.H₀ is a common way to represent it.
The alternative hypothesis is the assertion that is being compared against the null hypothesis. Two symbols are H₁ and Hₐ.
Calculation:
Here H₀: P=0.52
H₁: P<0.52
Test statistic, Z = -1.89
critical value = -1.65
Decision rule: If zZ< -1.65 we reject H₀ and vice-versa
Since,Z < -1.65 we reject H₀
i.e there is enough evidence for the pharmacist to reject the null hypothesis
Learn more about the null hypothesis here:
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Disclaimer: The question was given incorrectly on the portal. Here is the correct question
Question:
Answer: There are 1.52 pints in 720 mililiters.
Step-by-step explanation:
You need to remember that there are 473.176 mililiters in 1 pint.
Therefore, having 720 mililiters, you need to make the corresponding conversion from mililiters to pints.
Then, you get that 720 mililiters to pints is:
Therefore, the answers is: There are 1.52 pints in 720 mililiters.