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2 years ago

Product of (8.6×10^2)(3×10^2)in scientific notation

Mathematics

1 answer:

Snowcat [4.5K]2 years ago

8 0

Answer:

in scientific notation = 2.58 × 10⁵

I hope I helped you^_^

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Solve w^2 + 7w - 18 = 0 with the steps pls

Bess [88]

Answer:

w=2 w = -9

Step-by-step explanation:

w^2 + 7w - 18 = 0

We can factor this equation

What 2 numbers multiply to -18 and add to 7

9*-2 = -18

9+-2 = 7

(w-2) (w+9) = 0

Using the zero product property

w-2 = 0 w+9 =0

w=2 w = -9

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2 years ago

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What is the area of this polygon?

Cerrena [4.2K]

Answer:

<h2>39 units</h2>

Solution,

Total area=Area of ABCD+ Area of triangle ADE

 $(ab \times bc) + \frac{1}{2} \times ad \times ef \\ = (5 \times 6) + \frac{1}{2} \times 6 \times 3 \\ = 30 + 9 \\ = 39 \: {units}^{2}$ 

hope this helps...

Good luck on your assignment...

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3 years ago

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Mama L [17]

Answer:

your answer is c :)

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Millie designed a rectangular label to put on the front of her scrapbook. The label was 512 foot wide and 56 foot long. What was

cluponka [151]

28,672 feet squared. The area of a rectangle is it's length multiplied by its width, so you would multiple 512 with 56 to get your answer of 28,672. hope this helps :)

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3 years ago

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Licemer1 [7]

Answer:

A=2(wl+hl+hw)=2·(8·12+4·12+4·8)=352

Step-by-step explanation:

brainliest?

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