What is 13,100+2600 in scientific notation?

Answers

Answer 1

Answer: 1.57x10^4 I hope this helps :-)

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Copy these equations on a separate piece of paper and solve for x. Justify 6 points
your solution by writing in Exponential form. Submit a photo of your
solutions. *HINT*You should be able to do all these problems without a
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Answers

Answer:

Hey don't award this brainliest if you don't want to, but seriously try doing some of these on your own. I promise it's not that hard and you can do it. Remember that there is an equation that relates exponential and logarithmic forms...

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Problem 1: Conditions for an experimental chemistry reaction require a temperature of 298 K. The temperature in the lab is 55°F. Which of the following must you do to meet the requirements? (°F= 9/5 (K - 273) + 32) A. increase the room temperature by 22°F
B. decrease the room temperature by 12°C
C. decrease the room temperature by 33°F
D. increase the room temperature by 18 K 2. Jim, Jane, Ann, and Bill measure an object’s length, density, mass, and volume, respectively. Which student’s measurement might be in liters?

A. Bill’s

B. Jim’s

C. Jane’s

D. Ann’s

Answers

The correct answer for question 1 is B. To arrive at this answer, use the equation given to convert 55F temperature to Kelvin. The answer will be 285.9K. If you subtract 285 from 298 the answer will be 12. The correct answer for question 2 is A. This is because the unit of volume is liter.

1) Since 1°F= 9/5 (K - 273) + 32) after the calculus we find 1°F = 255.9 K

The answer is A. increase the room temperature by 22°F, because 55° F + 22° F = 77° and 77° F = 298.1K,

2) The answer is A: Bill’s. Bill has measured the object’s volume, and the unit of volume is the liter

The temperature in your town is 31 degrees Fahrenheit. The radio announcer says that the temperature will drop 15 degrees.What will the temperature be?

Answers

Hi,

New temperature will be 31 F - 15 F = 16 F.

Green eyes.

31 deg - 15 deg = 16 deg

Amy purchased 17 pencils and 18 pens for a fund-raiser at school and spent $61.50. Jocelyn purchased 10 pencils and 21 pens and spent $57. How much does each pencil cost?

Answers

Let,
pencils be "x"
pens be "y"

According to the question,
17x + 18y = 61.50 ----------> equation (1)
10x + 21y = 57 -----------------> equation (2)

Now,
Taking equation (1),
17x + 18y = 61.50
18y = 61.50 - 17x
y = (61.50 - 17x ) / 18 -----> equation (3)

Now, substituting the value of "y" in equation (2), we get,

$10x+21( (61.50-17x)/(18) )=57$

$10x+7( (61.50-17x)/(6) )=57$

$10x+ (430.50-119x)/(6)=57$

$10x* (6)/(6) + (430.50-119x)/(6)=57$

$(60x)/(6) + (430.50-119x)/(6)=57$

$(430.50+60x-119x)/(6)=57$

$430.50-59x=57*6$

$430.50-59x=342$

$59x=430.50-342$

$x=(88.5)/(59)$

$x=1.5$

Now,
Substituting the value of "x" in equation (3), we get,

$y =(61.50-17x)/(18)$

$y =(61.50-17(1.5))/(18)$

$y =(61.50-22.5)/(18)$

$y =(39)/(18)$

$y =2.17$

$y =2$ approx. (rounded)

So, Each pencil costs $1.5 and each pen costs $2.

Answer:

Each pencil costs $1.50 and each pen costs $2.00

Step-by-step explanation:

What is the distance between point A and point B? A number line ranging from negative 8 to 8 with point A at coordinate negative 6 and point B at coordinate 7 Enter your answer in the box. The distance between points A and B on the number line is units. help please unit # 1 question 10 PLZZZZZ !!!!

Answers

The distance between point A and B is 13 units

what is number line?

A number line can be defined as a straight line with numbers placed at equal intervals or segments along its length.

As, per the number line given we have A at (-6) and B at (+7).

So, not considering the negative sign we have 6 at left of 0 and 7 at right side of zero in a number line.

So, the distance will be

= 6 +7

=13 units

Learn more about number line here:

brainly.com/question/19485952

#SPJ2

Answer: 13.

Simply Count between Coordinates

Which Adds To 13.

Brainly Please.

Amelia is stacking identical cube-shaped boxes. She stacks 8boxes to make a tower that is 112 cm tall. She adds 1 more
box to the tower. How tall is the tower now? Give your answer
in centimetres (cm).

Answers

Answer:

126 cm

Step-by-step explanation:

each block is 112/8 cm tall=14cm

112cm is the current tower

add one more block +14cm is 126 cm total

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