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lesya [120]
3 years ago
7

3.249 rounded to nearest tenth

Mathematics
2 answers:
Neporo4naja [7]3 years ago
6 0
The 4 would be rounded to a 5 because of the 9 and then the 2 would get rounded up to a 3 because of the 5. So the answer would be 3.3
Viktor [21]3 years ago
4 0

Answer:

3.2

Step-by-step explanation:

4 is in the hundredths place. It is less than 5 so you leave the tenths place alone, so you get 3.2.

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Macy measured the mass of a 69.3 g mouse at 70.0 g. Eli measured the mass of a 3867 kg elephant at 3900 kilograms. Macy's error
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3900 - 3867 = 33kg about the size of a little boy
6 0
3 years ago
A recent survey found that 65% of high school students were currently enrolled in a math class, 43% were currently enrolled in a
Bas_tet [7]
<h3>Answer: Choice A)  0.20</h3>

===================================================

Explanation:

Let's say there are 1000 students. The students must take math, science or they can take both simultaneously.

  • 65% of them are in math. So there are 0.65*1000 = 650 math students.
  • 43% are in science, leading to 0.43*1000 = 430 science students.
  • 13% are in both so we have 0.13*1000 = 130 students who are in both.

Now onto the sentence that says "Suppose a high school student who is enrolled in a math class is selected at random"

This means we only focus on the 650 math students and ignore the 1000-650 = 350 students who aren't in math.

Of those 650 math students, 130 are also in science (since 130 are in both classes).

The probability we're after is therefore 130/650 = 0.20

4 0
3 years ago
Read 2 more answers
Which number comes first if the numbers 2.001, 0.0035, 0.0005, 4.56094 are arranged in order from most to fewest significant dig
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D. comes first as it has the most significant figures. Hope this helps!!
8 0
3 years ago
What do you think of when you hear "decimal notation
Vera_Pavlovna [14]

Answer:

The notation of decimals is the written form of base 10 place value.

8 0
3 years ago
In an on-line survey, a school learns that 77 of 100 parents prefer to receive the newsletter electronically. How many paper new
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77% of the school want electronic newsletters, so 23% of the school want physical paper newsletters.

77% of 650 is 500.5.
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650/100 = 6.5
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It's best to round that figure up to 150 as there will not be a parent who only needs half of the newsletter.
5 0
2 years ago
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