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CaHeK987 [17]
3 years ago
10

Multiply (8.42×10^3)(5×10^2) in scientific notation

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
3 0
4.21 x 10<span>6 is the answer


</span>
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What is true of an equilateral triangle? Two of its side lengths are equal. All its side lengths are equal. None of its side len
KIM [24]

Answer:

<u><em>All its side lengths are equal </em></u>

<u><em></em></u>

<u><em></em></u>

<u><em>(and all the agle of 60°)</em></u>

<u><em></em></u>

<u><em></em></u>

Step-by-step explanation:

What is true of an equilateral triangle? Two of its side lengths are equal. <u><em>All its side lengths are equal</em></u>. None of its side lengths are equal. None of its interior angles are equal. What is true of an equilateral triangle ? Two of its side lengths are equal . All its side lengths are equal . None of its side lengths are equal . None of its interior angles are equal .​

4 0
2 years ago
Simplify the number using the imaginary unit I. <br><br> <img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B-28%7D%20" id="TexFormul
KonstantinChe [14]
2i√7 that is your answer
4 0
4 years ago
. A rectangular prism has a volume of 1374.28 inches. The prism is 9.4 inches wide and 17.2 inches long. What is the height of t
VashaNatasha [74]

Answer:

h = 8.5 inches

Step-by-step explanation:

Given that,

The volume of a rectangular prism = 1374.28 inches³

The prism is 9.4 inches wide and 17.2 inches long.

We need to find the height of the prism. We know that the formula for the volume of rectangular prism is given by :

V = lbh

Where

h is the height of the prism

So,

h=\dfrac{V}{lb}\\\\h=\dfrac{1374.28 }{9.4\times 17.2}\\\\h=8.5\ inches

So, the height of the prism is equal to 8.5 inches.

3 0
3 years ago
PLEASEEEEEEE HELP I NEED SERIOUS HELP AT THIS
Sergeu [11.5K]

Answer:

Ok, so I think I may have got it right.

Step-by-step explanation:

So in each row going left to right is the following numbers

1st row: 2, 3, 4, 5

2nd row: 3, 4, 5, 6

3rd row: 4, 5, 6, 7

4th row: 5, 6, 7, 8

b) 1/16

c) 6/16

I'm not exactly sure if I got everything right, but I hope this helps :)

5 0
3 years ago
One third of a number and 5 is 20
KiRa [710]
1/3 of (x mulltiplied by 5) = 20. 1 * x * 5 all divided by 3 = 20 5/3x = 20 x = 20 * 3/5 x = 12 therefore the number == 60. I hope i was able to help u
8 0
3 years ago
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