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zmey [24]
3 years ago
14

The size of a certain cell is 2.5 x 10^-9 m. Another cell is 1.5 x 10^3 times larger. How large is the larger cell in scientific

notation?
A.) 4 x 10^-27m
B.) 4 x 10^-12m
C.) 3.75 x 10^6m
D. 3.75 x 10^-6m

I honestly have no idea what to do.
Mathematics
2 answers:
Sveta_85 [38]3 years ago
6 0
The answer is d. I just took the quick check.
Tema [17]3 years ago
4 0

1) C. -15x^4y

2) B. -18/m^5n

3) C. 768x^11

4) A. 2.535x10^10

5) D. 3.75x10^-6m


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James uses 1/2 of a cup of sugar in his cookies, and Jade uses 3/4 of a cup of sugar in her cookies. Noel takes the sum of the t
lesya692 [45]

Answer:

5/8 of a cup

Step-by-step explanation:

What you do is you add 1/2 and 3/4 together.

1/2+3/4=5/4.

Noel used half of 5/4 so you would multiply it by 1/2

5/4*1/2=5/8 is your answer.

4 0
2 years ago
Read 2 more answers
Ashley needs new batteries for the flashlights at her house. Each flashlight takes 4
Anit [1.1K]

Answer: b = 4f

Step-by-step explanation:

     Since every flashlight needs 4 batteries, every flashlight added (f) will be 4 more batteries needed total (b). With this information in mind, we can write the equation:

             b = 4f

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2 years ago
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A football player kicks a ball with an initial upward velocity of 47 ft./s. The initial height of the ball is 3 feet. The functi
Rashid [163]

Answer: 3 seconds

We are given the following function:

h(t)=-16{t}^{2}+V.t+h(o)    (1)

Where:

t is the time the ball is in the air

V=47ft/s the initial upward velocity

h(o)=3ft the initial height of the ball

h(t) is the final height of the ball. If no one catches it, this will be <u>zero</u>

So, equation (1) changes to:

-16{t}^{2}+V.t+h(o)=0    (2)

Substituting the known values:

-16{t}^{2}+(47ft/s).t+3ft=0    (3)

This is a quadratic equation in the form a{t}^{2}+b.t+c=0. In order to find t we can use the quadratic formula for the roots:

t=\frac{-b\pm\sqrt{-4ac}}{2a}    (4)

Where a=-16, b=47 and  c=3

Substituting this values in (4):

t=\frac{-47\pm\sqrt{-4(-16)(3)}}{2(-16)}    (5)

t=\frac{-47\pm\sqrt{2401}}{-32}    (6)

t=\frac{-47\pm\49}{-32}    (7)

For t1:

t1=\frac{-47+49}{-32}=-0.0625 s      (8)>>>> This result does not work for us because is negative

For t2:

t2=\frac{-47-49}{-32}=3 s   (9)>>>This is the result

Therefore:

<h2> If no one catches the ball, it will be 3 s in the air</h2>
6 0
3 years ago
How do i solve 4k-1.5k=50
slamgirl [31]
4k and 1.5kare like terms so you can combine
2.5k=50
then divide both sides by 2.5
k=20
6 0
3 years ago
marty has a fence yard in the shape of a rectangle the area is 635.4 square feet. the width of the yard is 18 feet what is the l
rusak2 [61]
A=lw&#10;&#10;635.4=18(w)&#10;&#10;35.3=w

The length is 35.3 ft
3 0
3 years ago
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