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3 years ago

Round three significant figures 12.3456

Mathematics

2 answers:

kow [346]3 years ago

7 0

Answer:

12.3

Step-by-step explanation:

Round it where you have 3 numbers that are not 0.

12.3456

round to the hundredths place

12.34 (round to 4)

12.3 (3 sigfigs)

Kamila [148]3 years ago

4 0

Answer:

12.4

Step-by-step explanation:

12.3456

first you would round the 5 to a 6, the round the 4 to a 5, because the six is greater than five, than you would change the 3 to a 4, because the four that was changed to a five now is big enough to change the number.

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-25 Points-

Nesterboy [21]

Answer:

Step-by-step explanation:

If a figure A and a figure B are similar, then

$\dfrac{area_A}{area_B}=k^2$ (*)

k - similarity scale

Calculate the similarity scale:

$k=\dfrac{6}{5}$

We have the surface area of the smaller prism 572 m².

Substitute to the formula (*):

$\dfrac{x}{572}=\left(\dfrac{6}{5}\right)^2\\\\\dfrac{x}{572}=\dfrac{36}{25}\qquad\text{cross multiply}\\\\25x=(36)(572)\\\\25x=20,592\qquad\text{divide both sides by 25}\\\\x=823.68\approx823.7\ m^2$

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3 years ago

What's the range of 37000 and 45000

Galina-37 [17]

Range: Subtract 37000 from 45000 and you'll have it.

8 0

3 years ago

-3 3/7 divided by 4 2/7=???

nadezda [96]

the answer will be -0.8, if i helped thank you

8 0

3 years ago

Read 2 more answers

What is the value of (-3.25)(-1.56) with the work shown

MAVERICK [17]

All you have to do is multiply: -3.25•-1.56=5.07. A negative times a negative is a positive :)

3 0

3 years ago

Elliot is riding in 100 mile bike race to raise money for charity so far he has completed 7/10 of the race how far has Elliot bi

Dmitry_Shevchenko [17]

Answer:

Elliot biked 70 miles

Explanation:

We are given that the total distance of the race is 100 miles

We are also given that Elliot covered $\frac{7}{10}$ of this distance

To get the number of miles covered by Elliot, we will simply multiply the ratio of the covered distance ( $\frac{7}{10}$ ) by thetotal distance of the race (100 miles)

This is done as follows:

Distance covered = $\frac{7}{10}$ $* 100 = 70$ miles

Therefore, Elliot biked for 70 miles

Hope this helps :)

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3 years ago