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djverab [1.8K]
3 years ago
12

Please help will give brainliest

Mathematics
1 answer:
KatRina [158]3 years ago
5 0
Hi there!

First, scientific notation is when you take a number like 15,000 or 0.0015 and turn it into a number that is less than 10 and greater than 1. What you do to make it that is you move that decimal point over to the left or right as needed. So for example, 15,000 would be 1.5 × 10^{4} and 0.0015 is 1.5 × 10^{-3}.

So if one light year is 5.88 × 10^{12} mi. that is just the scientific notation for 5880000000000 mi.

So if you take 5880000000000 mi. and multiply it by 11 then you get 64680000000000

5880000000000 × 11 = 64680000000000 or 6.468 × 10^{13}

So the answer would be \boxed{64680000000000} or \boxed{6.468*10^{13} }

Your friend, ASIAX
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Miss has a sheet of wrapping paper 85cm in length and 60 cm in width. She cuts the paper into rectangular pieces of length 20 cm
dalvyx [7]

Answer:

Part a - 25 pieces

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Step-by-step explanation:

<u>Part a</u>

Think of this in terms of how many "units" can the total paper be cut into. Easiest way to keep track of units is by their area. In other words, take the total area and see how many unit areas fit into it:

Number of units = total area / unit area

N = (85 x 60) / (20 x 10)

N = 5100 / 200

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Therefore the greatest number of pieces the paper can be cut into is 25 units (the 0.5 doesn't count since it's not a full pieces).

<u>Part b</u>

Again, back to units. This time the "total" is 100, and our unit size is 25.5. So:

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3 years ago
Values for the area A of the rectangle shown are 12 ≤ A ≤ 36.
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A compound inequality is used to combined multiple inequalities.

  • <em>The compound inequality is: </em>12 \le 6x \le 36<em>.</em>
  • <em>The solution to the compound inequality is: </em>2 \le x \le 6<em />

We have:

12 \le A \le 36

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The area of the rectangle is:

A = Length \times Width

So, we have:

A =2x \times 3

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Substitute 6x for A in 12 \le A \le 36

12 \le 6x \le 36

Divide through by 6

2 \le x \le 6

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Read more about compound inequalities at:

brainly.com/question/17957246

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