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lisov135 [29]
3 years ago
5

The diameter of a blood cell is measured in micrometers .A micrometer is 0.0000001 meter . Which expression represents this numb

er in scientific notation?
Mathematics
1 answer:
oksian1 [2.3K]3 years ago
5 0
1 * 10^-7
This is because you add a power to 10 for each decimal move to make it a whole number.
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10 POINTS!! HELP ASAP!! What is the length of AC?
My name is Ann [436]

Answer:

D

Step-by-step explanation:

Δ CED and Δ CAB are similar thus the ratios of corresponding sides are equal, that is

\frac{CE}{CA} = \frac{ED}{AB} , substitute values

\frac{x}{156-x} = \frac{7}{84} = \frac{1}{12} ( cross- multiply )

12x = 156 - x ( add x to both sides )

13x = 156 ( divide both sides by 13 )

x = 12

Thus

AC = 156 - x = 156 - 12 = 144 → D

4 0
3 years ago
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Two pairs of statements about Jeff's housing expenditures are given below. How can both pairs of statements be true?
Irina18 [472]

Explanation:

Pair 1 is true if Jeff's monthly income is $600/20% = $3,000.

Pair 2 is true if Jeff's monthly income is $1200/10% = $12,000.

Both pairs can be true if Jeff's monthly income increased by a factor of 4 in the 20 years from 1990 to 2010.

Obviously, Jeff spent more on housing in 2010. (Fortunately for Jeff, that larger expenditure was a smaller fraction of his income.)

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3 years ago
What is the answer to this 14-2y=​
yaroslaw [1]

Answer:

y=7

Step-by-step explanation:

Assuming that the equation is 14-2y=0

We need to isolate 'y' variable to obtain its value, to do that, lets start by subtracting -14 to both sides of equality sign,

14-2y=0 is now this: 14-14-2y=0-14, which is equals to -2y=-14

Now, lets continue by dividing by -2 both sides of equality sign.

We have this

-2y/-2=-14/-2

y=7

Thus, we've obtained the value for 'y' variable

4 0
3 years ago
your family is driving to the beach. you travel 200kilometers in the first two hour. during the next hour you stop for lunch and
ziro4ka [17]

Answer:

8

Step-by-step explanation:

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HELP QUICK PLS WILL GIVE BRAINLIEST
alexandr1967 [171]

Answer:

0.08(50h)

Step-by-step explanation:

0.08(50h)+50h=

8/100(50h)+50h=

0.08(50h)+50h

It's 0.08 of 50h, so

0.08(50h)

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2 years ago
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