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Vikentia [17]
3 years ago
10

Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approxi

mately 5,880,000,000,000 miles. Suppose a star is 14.4 light-years from Earth. In scientific notation, how many miles away is it?
Mathematics
2 answers:
olga nikolaevna [1]3 years ago
8 0

Answer:

8.4672 x 10^13

Step-by-step explanation:

DerKrebs [107]3 years ago
4 0

         (14.4)  x  (5,880,000,000,000 miles)  =  84,672,000,000,000 miles

                     (14.4)  x  (5.88 x 10¹²)

                 =      84.672 x 10¹²

                 =      8.4672 x 10¹³ .
You might be interested in
If x and y satisfy both 9x+2y=8 and 7x+2y=4, then y=?
Alex

Answer:

The value of y is -5

Step-by-step explanation:

we have

9x+2y=8 ------> equation A

7x+2y=4 ------> equation B

we know that

If x and y satisfy both equations, then (x,y) is the solution of the system of equations

Using a graphing tool

Remember that

The solution of the systems of equations is the intersection point both graphs

The intersection point is (2,-5)

therefore

The solution of the system of equations is the point (2,-5)

The value of y is -5

7 0
3 years ago
Alice needs 3/7 kilograms of flour for making a cake. How many of flour does she needs for making 42 cakes?
Oduvanchick [21]
Hey there!

3/7 is needed for 1 cake

If she needs to make 42 cakes, then multiply the amount for 1 by 42

42 × 3/7 = 126/7 = 18

She needs 18 kilograms of flour to make 42 cakes

Hope this helps :)
3 0
3 years ago
X-1/8=5/24<br><br>A . 1/12<br>B. 5/24<br>C. 1/3<br>D. 1 2/3
mezya [45]

Answer:

The answer c

Hope I helped :)

Step-by-step explanation:

Solve for x by simplifying both sides of the equation then isolating the variable.

Exact Form:

x=1/3

Decimal Form:

x=0.333333333

4 0
3 years ago
I need help and it’s due today
olga nikolaevna [1]

Answer: same bruh

Step-by-step explanation:

7 0
3 years ago
Which angle measures create a triangle with three different side lengths?
dedylja [7]

Answer:

C

Step-by-step explanation:

For 3 different side lengths, you need 3 different angles. That eliminates A, B and D.

A: In the case of A, The angles do not add up to 180 so this is not possible. Even if it was, the angles are all the same and the side lengths would be as well.

B: Two angles are the same, therefore, 2 sides will be the same, even though the two sides added together will be larger than the side opposite.

D: Two angles are the same. The angles add to 180. The triangle will have 2 equal sides.

C: Answer. The three given angles add to 180. They are different. Unless the side opposite 93 exceeds the length of the other 2 sides, this forms a triangle with 3 different  sides. Using other methods to calculate the answer the other 2 sides do exceed the the base length so everything is fine.  

3 0
3 years ago
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