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MAXImum [283]
3 years ago
15

Write 4,275,000,000 in scientific notation

Mathematics
2 answers:
irakobra [83]3 years ago
8 0

Answer:

4.275 x 10^9

Step-by-step explanation:

jus do it

malfutka [58]3 years ago
6 0

Answer:

4.275x10bto the 9th power

Step-by-step explanation:

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A block of glass has a mass of 22.5g and a volume of 9cm cubed.
melisa1 [442]

Answer:

density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.

Step-by-step explanation:

3 0
2 years ago
A granola recipe calls for 2 1/3 cups of almonds. A bag of almonds contains 1/4 cups. How many bags will be needed for the recip
Sholpan [36]

9 I think because 1/4 needs to have 4 of those to be a whole so yeah 9.

8 0
3 years ago
X2 + y2 + 6x – 2y+3 = 0?<br> What is the radius of a circle with the equation
ExtremeBDS [4]

Answer:

Step-by-step explanation:

hello : write this expression

X² + y² + 6x – 2y+3 = 0  in the standard form

(x²+6x) +(y²-2y) +3 = 0

(x²+6x+9 -9) +(y²-2y+1 - 1) +3 = 0

(x²+6x+9) -9 +(y²-2y+1) - 1 +3 = 0

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but : 7 = (√7)²

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5 0
3 years ago
For each of the following studies, say whether you would use a t test for dependent means or a t test for independent means.
Shtirlitz [24]

Answer:

1. T test for independent means

2. T test for dependent means

3. T test for dependent means

Step-by-step explanation:

In number 1, the two groups are unrelated. The first group has 25 subjects and they're all unemployed. The second group has 24 subjects and their employment status is not stated and might not be the same all through. Also, the first group is receiving a new type of job skills program while the second group is taking the standard job skills program.

- The groups in the experiment are unrelated

- The tests in the research are unrelated

- The purpose of the research is unreasonable - the researcher seeks to measure how well all 49 subjects perform on 'a' job skills test! No comparison between the scores or mean scores of the two groups.

In number 2, the researcher uses the same subjects and also measures the same variable but twice. This is a good example of a study where the t test for dependent means can be taken. Same applies in case 3.

5 0
3 years ago
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mrs_skeptik [129]

Answer:

1. 55

2. 55-85

3. 95

4. i dont

know5. it makes it odder.

Step-by-step explanation:

4 0
3 years ago
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