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Anastaziya [24]

2 years ago

13

4. (10 pts) A study is conducted to estimate the difference in the mean occupational exposure to radioactivity in computer scien

ce students in the years 2000 and 2008. These data based on independent samples of students for the 2 years are obtained:

1 answer:

IceJOKER [234]2 years ago

5 0

Answer:

ddd

Step-by-step explanation:

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Choose the correct simplification of the expression a2 ⋅ a3. a a6 a5 a−1

alina1380 [7]

Answer: The correct option is (C) $a^5.$

Step-by-step explanation: We are given to choose the correct simplification for the following expression :

$P=a^2.a^3~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

We will be using the following property of exponents :

$x^a.x^b=x^{a+b}.$

So, the simplification of expression (i) is as follows :

$P\\\\=a^2.a^3\\\\=a^{2+3}\\\\=a^5.$

Thus, the correct simplification of the given expression is $a^5.$

Option (C) is CORRECT.

3 0

3 years ago

Read 2 more answers

What is y= -1/3- 9 written in standard form?

Ratling [72]

Y=Mx+B is the slope for and then go from there

6 0

3 years ago

Can anyone help? It’s not 14, I’ll give Brainly + 15 pts

Julli [10]

Short side length = x

Medium side = x + 7

Long side = 5x

Total 49, so

x + x + 7 + 5x = 49

If you combine like terms:

7x + 7 = 49

Subtract 7 from both sides

7x = 42

Divide both sides by 7

x = 6 inches.

8 0

2 years ago

Jacob opened a money-market account. In the first month, he made an initial deposit of $500, and

natima [27]

Answer:

after 13 months

Step-by-step explanation:

........ur welcome..........

1475-500=975

975÷75=13

so 13 months

6 0

2 years ago

What are the steps for long division?

diamong [38]

This is what I learned:

D = Divide
M = Multiply
S = Subtract
B = Bring down
C= Check

D= Dad
M= Mom
S= Sister
B= Brother
C= Cousin

Hope this helped you! :)

8 0

3 years ago