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Oduvanchick [21]
3 years ago
7

The speed of light is 3 × 108 meters per second. It take 1.82 × 102 seconds for light to reach Mars. What is the distance, in me

ters, between the sun and Mars? A 4.82 x 1016 B 4.82 x 1010 C 5.46 x 1016 D 5.46 x 1010
Mathematics
1 answer:
Snowcat [4.5K]3 years ago
4 0

Answer:

D 5.46 x 10^10

Step-by-step explanation:

Recall that  speed is the rate of change of distance with time and may be expressed mathematically as

speed = Distance/time

Distance = speed * time

Hence given that the speed of light

= 3 × 10^8 meters per second

Time taken for light to travel between the given distance

= 1.82 × 10^2 seconds

substituting the given values

Distance = 3 × 10^8 * 1.82 × 10^2

= 5.46 * 10^(8+2)

= 5.46 * 10^10 meters

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Is 1.2/3 and 1.8/ 4/5 proportional
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Answer:

No

Step-by-step explanation:

1.2/3 =0.4

4/5 can be written as 0.8

So, 1.8/0.8 = 2.25.

However, 1.8/4/5 is the same as:

1.8/1 ÷ 4/5

Keep Change Flip

1.8/1 x 5/4 = 9/4

(1.8 x 5=9 & 1 x4 =4)

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3 years ago
Gas prices have really decreased in the past month. At the beginning of March I paid $2.15 per gallon. I just recently filled my
s344n2d4d5 [400]

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3 years ago
Can someone please help me with this ?
natulia [17]
13. 1,6

18. -15,12

19. -7, 1/2
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3 years ago
Donna buys a roast that weighs 5.6 pounds and costs $2.25 a pound. Find the amount she pays.
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Answer:

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