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Vera_Pavlovna [14]
2 years ago
8

A satellite moves at a speed of 2.4 x 10^4 km/h. Work out how long it will take for the satellite to move a distance of 3.2x10^6

km. Give your answer in standard form to 3 significant figures.
Mathematics
1 answer:
Alenkinab [10]2 years ago
8 0

Answer:

Below in bold.

Step-by-step explanation:

speed = distance / time

2.4 * 10^4 = 3.2 * 10^6 /time

Time = 3.2 * 10^6 / 2.4 * 10^4

= 3.2/2.4 * 10^(6-4)

= 1.3333.. * 10^2 hours

= 133 hours  ( to 3 significant figures).

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<h3>Is a given expression a perfect square trinomial or a difference of two squares?</h3>

In this problem we have an algebraic expression that has to be checked by algebraic procedures. The complete procedure is shown below:

(x² + 8 · x + 16) · (x² - 8 · x + 16)                  Given

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I hope this helped! (Sorry, if it sounds confusing)

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