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aniked [119]
3 years ago
15

CAN YOU GUYS PLEASE HELP ME WITH THESE QUESTIONS...ITS WORTH 50 POINTS..AND I WILL MARK BRAINLY pt2.

Mathematics
1 answer:
Pavel [41]3 years ago
7 0

Answer: what i would do is add a zero

Step-by-step explanation:

hope that help u have a wonderful day

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What is the unit rate of $4 and 8 pounds
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32

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3 years ago
A television news program asks its viewers to call in to give their opinions on an upcoming ballot question. What type of sampli
Alla [95]

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This is an example of self selecting sampling

Step-by-step explanation:

This is an example of self selecting sampling because the news program is asking viewed to give their opinions. The viewers themselves have a choice of participating in the sample therefore is self selecting.

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3 years ago
1) Shannon and Kristoph are dividing numbers written in scientific notation.
mihalych1998 [28]

Answer:

<h3>(A)</h3>

The answers will have the same value, beacuse both scientific notations have the same coefficient, 4.2 and 1.4. Also, if you mentally subtract the exponents of those powers, you would have the same exponent. So, equal coefficient and equal exponent will give the same result.

<h3>(B)</h3>

The value of each expression can be found by dividing coefficients and powers.

\frac{4.2 \times 10^{9} }{1.4 \times 10^{4} }=3 \times 10^{9-4} = 3 \times  10^{5}

<h3>(C)</h3>

The value of each expression in standard form is

3 \times 10^{5}=300,000

Remember that standard form refers to the number without the ten-power.

5 0
4 years ago
What expression can be used for estimating 868 divided by 28
weeeeeb [17]
868 is about 870, and 28 is about 30, so your expression would be 870 divided by 30 which would be 29 and the actual answer is 31, so your estimate would be close to your actual answer.
6 0
3 years ago
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9) Select the best method to solve the system.
Novosadov [1.4K]
Substitution because you need to substitute one of the variables
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3 years ago
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