3 years ago

Write each answer in scientific notation (2x10^-3)^3

Mathematics

1 answer:

Advocard [28]3 years ago

8 0

8*10^-9 I'm pretty sure

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What percentage is .0019951

ICE Princess25 [194]

The most exact answer would be 0.19951% but the approximate answer would be 0.2%.

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Cristina bought a bag of coffee for $8.47. The weight of the bag was 7/8 of a pound. What was the price, per pound, of the coffe

SpyIntel [72]

~For this problem, you need to divide.
~The easy way that I think might help you is if you change the fraction into a decimal.

$\frac{7}{8} = 0.875$

Now divide $8.47 by 0.875
$\frac{8.47}{0.875} = 9.68$

The price per pound of the coffee was $9.68

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3 years ago

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On a 16 scale drawing of a bike, one part is 3 inches long. How long will the actual bike part be?

Arisa [49]

You would multiply 16*3 to get an estimate.
16*3= 48
The bike would be about 48 units.
I'm assuming you mean a 16:1 scale.
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2 years ago

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In 2012, the population of a city was 6.29 million. The exponential growth rate was

RoseWind [281]

9514 1404 393

Answer:

a) P(t) = 6.29e^(0.0241t)

b) P(6) ≈ 7.3 million

c) 10 years

d) 28.8 years

Step-by-step explanation:

a) You have written the equation.

P(t) = 6.29·e^(0.0241·t)

b) 2018 is 6 years after 2012.

P(6) = 6.29·e^(0.0241·6) ≈ 7.2686 ≈ 7.3 . . . million

c) We want t for ...

8 = 6.29·e^(0.0241t)

ln(8/6.29) = 0.0241t

t = ln(8/6.29)/0.0241 ≈ 9.978 ≈ 10.0 . . . years

d) Along the same lines as the calculation in part (c), doubling time is ...

t = ln(2)/0.0241 ≈ 28.7613 ≈ 28.8 . . . years

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2 years ago

On a game board spinner, Taylor won a prize on 6 out of 11 spins. What is the probability that she will win a prize on the next

Reptile [31]

Answer:

D. 6/11

Step-by-step explanation:

Please see the attached file for explanation

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3 years ago