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3 years ago

The earth is 146,000,000 kilometers from the sun. What is this number in standard form

Mathematics

2 answers:

Trava [24]3 years ago

7 0

100,000,00+460,000 that is the possible answer

serious [3.7K]3 years ago

3 0

146000000 in standard form is 1.46 x 10^8

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The contents of seven similar containers of sulfuric acid are 9.8, 10.2, 10.4, 9.8, 10.0, 10.2, and 9.6 liters. find a 95% confi

Kamila [148]

The confidence interval is from 9.81 to 10.19.

We first find the mean of the data:

(9.8+10.2+10.4+9.8+10.0+10.2+9.6)/7 = 10

Next we find the standard deviation:
σ=√([(9.8-10)^2+(10.2-10)^2+(10.4-10)^2+(9.8-10)^2+(10-10)^2+(10.2-10)^2+(9.6-10)^2]/7) = 0.262

The z-score for 95% confidence is found by
1-0.95 = 0.05; 0.05/2 = 0.025; from the z-table, it is 1.96.

The confidence interval is calculated using
 $x\pm z\times (\frac{s}{\sqrt{n}})
\\
\\10 \pm 1.96(\frac{0.262}{\sqrt{7}})=10\pm 0.1941$

7 0

3 years ago

Assume that the histograms below represent the amount of time it took two different groups of 100 people to run at a 5k race. As

Effectus [21]

I have know idea I would just guess if I were you

Explanation

6 0

3 years ago

"The last time I bought this product, it cost $20.00 but it looks like it costs $29.60 today. Why such a large increase?"

Oksanka [162]

Answer:

The company decided to increase the price by $9.60, or by 48%.

Step-by-step explanation:

To measure the price difference in dollars is simple, just subtract the old price from the new one:

$29.60 - 20 = 9.60$

Divide the price change by the old price to find the price increase in percentage:

$9.60 \div 20 = 0.48 \\ 0.48 \times 100\% = 48\%$

5 0

3 years ago

WILL GIVE BRAINLIEST Solve for y in terms of w, x, and z. x=zyw y=

Advocard [28]

Answer:

y= x/zw

Step-by-step explanation:

Isolate the variable by dividing each side by the factors that dont contain the variable

x = zyw /zw

y=x/zw

3 0

3 years ago

PLEASE HELP!! Trevor is writing a paper that must be 50,000 words long. He had already written 23,210 words. Write an inequality

almond37 [142]

Answer:

50,000 ≤ 23,210 + 5x

x = Average number of words per week

Step-by-step explanation:

Start off with 50,000 because that's how many words the paper needs to have.

Use "≤" because Trevor needs to write at least 50,000 words. (He can write more).

Trevor already wrote 23,210 words plus x words per week for 5 weeks.

(Solving for x will help you find the average number of words Trevor must write per week for 5 weeks).

5 0

3 years ago