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3 years ago

I need help please!!!

Mathematics

1 answer:

solniwko [45]3 years ago

4 0

Answer:

I dont know what you mean wdym...

Step-by-step explanation:

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Express 0.00078456 in scientific notation

Annette [7]

7.8456 x 10^(-4)

this means you move the decimal place to the left 4 places to get the actual value

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3 years ago

Read 2 more answers

A local high school has both male and female students.

Kitty [74]

Answer:

a. P(male) = 0.4

b. P(no sport and male) = 0.1

c. Unclear question (isn't it the same as b.?)

Step-by-step explanation:

The data below is what I've worked according to, which isn't very clear from the question so the answers are only correct if this is the correct table of data;

$\left[\begin{array}{ccc}&No \ Sports&Sports\\Female&10&32\\Male&7&21\end {array}\right]$

$P(male) = \frac{7 + 21}{70} \\\\ = \frac{28}{70} \\\\ = \frac{2}{5}$

Using the tree diagram in the picture;

$P(no \ sport \ and \ male) = \frac{2}{5} * \frac{1}{4} \\\\ = \frac{1}{10}$

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3 years ago

Last month, a car dealership sold 376 new cars.

Elena-2011 [213]

as per as I can think the answet will be 38

please give me brainliest if my answer is correct

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3 years ago

There are 14 pieces of fruit in a basket, including 7 bananas.

solniwko [45]

If there are 7 bananas out of 14 pieces of fruit the probability of selecting a banana is 7/14. 7/14 can be reduced to 1/2. 7 divided by 7 is 1, and 14 divided by 7 is 2 making the answer 1/2!

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3 years ago

Round 17242 to the nearest ten thousandth

MrRa [10]

Its 20,000. If you look of make a number line use numbers 17,242 - 20,000… <3

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3 years ago