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Aleonysh [2.5K]
3 years ago
5

Comparing Order of Magnitude A biologist estimated the number of cells in a culture sample as 1.3 × 102. One week later, he look

ed at the same culture sample and estimated that the number of cells had grown to 3.9 × 105. Determine how many times larger the culture sample was compared to a week earlier. (3.9 × 105) (1.3 × 102) Complete the quotient in scientific notation and find the solution in standard notation. × =
Mathematics
2 answers:
Assoli18 [71]3 years ago
4 0

Answer:

3 * 10^3 in scientific notation.

3,000 in standard notation.

Step-by-step explanation:

We divide:

3.9 *10^5 / 1.3 * 10^2

= ( 3.9/1.3) * (10^5 / 10^2)

= 3 * 10(5-2)

= 3 * 10^3.

This  equals 3 * 1,000 = 3000.

Degger [83]3 years ago
4 0

Answer:

the answer is 3 10 to the third power and 3,000

Step-by-step explanation:

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Kimberley plans to purchase a new laptop computer that costs $1,313.00. She has one coupon for 15% off and another coupon for $2
Len [333]

Answer:

Coupon second discount = 200 off

Step-by-step explanation:

Given:

Price of laptop = $1,313

Coupon first discount = 15% off

Coupon second discount = 200 off

Find:

Choose coupon get the bigger discount

Computation:

Coupon first discount = 15% off

Coupon first discount = 1,313 x 15%

Coupon first discount = $196.95

So,

Coupon second, for get the bigger discount

5 0
3 years ago
Which equation in point-slope form contains the points (6, 2) and (2, 4)? A -4=-1/2(x-6) B y – 4 = –2(x – 2) C y-2=-1/2(x-6)
nlexa [21]
Hello!

The equation for point-slope form is 

y - b = m(x - a)

m is the slope
(a, b) is a point the line passes through

We are looking for a equation that follows this

The answer is C because a point the line goes through is (6, 2)

The answer is C

Hope this helps!
5 0
3 years ago
Read 2 more answers
For his long distance phone service, Keith pays an $8 monthly fee plus 6 cents per minute. Last month, Keith's long distance bil
butalik [34]

Answer:

my answer is 19.90

Step-by-step explanation: so what i did to get this answer is by adding all the numbers so i stack it in order of greater number to least numbers so i did 19.76 + $8 + 6 ( you don't have to put the dollar sign when you add the numbers) and after i added those i got 19.90 as my answer.

hope it helps you

5 0
4 years ago
Read 2 more answers
The next Mindel car will cost 12.6% less than the current model. The current model cost 31,000. How much will the price decrease
Zigmanuir [339]

Answer:

3906 dollars will be the decrease

the next model will cost 27094 dollars

Step-by-step explanation:

12.6%÷100×3=3906

31000-3906=27094

5 0
3 years ago
How many times is larger is the value 250,000 that 240? If you know tell me
Andrew [12]
104.16666 repetant times larger

6 0
3 years ago
Read 2 more answers
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