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2 years ago

Express 20 as a percent and a decimal??

Mathematics

1 answer:

Sergeeva-Olga [200]2 years ago

7 0

Hopes this helps:

Answer:

Decimal: 0.2

Percent: 20%

Have a great day.

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8.0464x10^-7 = <br> answer in decimal notation

Charra [1.4K]

To convert 8.0464x10^-7 from scientific notation to decimal notation, you need to move the decimal point to the left seven times.
Therefore the answer is:

0.00000080464

Note: 10^-7 equals 1/10^7
8.0464x10^-7 can be rewritten as:
8.0464/10^7 (i.e. divide 8.0464 by 10000000)
which results: 0.00000080464

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2 years ago

Someone please help me im so confused

Alja [10]

Answer:

x=6

y=9

z=10

Step-by-step explanation: The long 20 on the left has 4, 6 and _10_ to make 20. The blank which is 10 is the same length as z. The proportion of 10/15 translates throughout the whole shape. That means it is 6/9 and 4/6.

The simplified proportion is 2/3 by the way.

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2 years ago

5 and below is having a discount sale for 8% off on all items. She wanted to get a shirt that was originally $25.00. How much wi

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AnswerNaruto fan?

Step-by-step explanation:

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3 years ago

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Sweet t noticed the ratio of long boards to short boards was 1:4. If there were 35 surfboards at the beach, how many were short

olya-2409 [2.1K]

I believe the answer is 28 short boards

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3 years ago

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Sunshine City was designed to attract retired people. Its current population of 75,000 residents has a mean age of 63 years and

Leokris [45]

Answer:

a) Identify the variable of interest.

Ages of the residents

b) Describe the center and spread of the population of Sunshine City.

Center of the population of Sunshine city = 63 years

Spread of the Population of Sunshine city = 17 years

c) Describe the center and spread of the random sample of Sunshine City

residents taken.

Center of the random sample of Sunshine city = 61.4 years

Spread of the random sample of Sunshine city = 19 years

What shape does it probably have:

It has a skewed(left) shape

Step-by-step explanation:

a) Identify the variable of interest.

Ages of the residents

The center of a distribution tells us about the Mean or Median of the distribution

The spread of a distribution tells us about the standard deviation of the population

b) Describe the center and spread of the population of Sunshine City.

Center of the population of Sunshine city = Mean of the population of Sunshine city = 63 years

Spread of the Population of Sunshine city = Standard Deviation of the population = 17 years

c) Describe the center and spread of the random sample of Sunshine City

residents taken.

Center of the random sample of Sunshine city = 61.4 years

Spread of the random sample of Sunshine city = 19 years

What shape does it probably have:

It has a skewed(left) shape

This is because the mean is farther out to the left side of the tail of the distribution.

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3 years ago