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ycow [4]
3 years ago
13

Write 2.39×10^-6 as a decimal​

Mathematics
1 answer:
Bumek [7]3 years ago
8 0

Answer:

Step-by-step explanation:

2.39×10^{-6}=2.39/(10^6)=0.00000239

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PLZ HELP ITS DUR RIGHT NOW AND PLZ ANSWER TRUTHFULLY
yuradex [85]

Answer:

x=141

Step-by-step explanation:

(n-2)•180 = Sum of all the interior angles

n = # of sides

(7-2)•180

5•180

900= Sum of all the interior angles

Add all the angles and equal them to 900

125+122+131+x+7+x+107+x-15=900

Add all the numbers up first on the left side

477+3x=900

3x=423

x=141

5 0
2 years ago
Round to the nearest tenth wa hit is the perimeter of the triangle
klio [65]

Answer:

D. 11.8 cm

Step-by-step explanation:

This triangle is a 30°-60°-90° triangle. There is a shortcut to find the lengths of the sides of a 30°-60°-90° triangle. The longest side is the hypotenuse. The longest side is double the shortest side or, the shortest side is half the longest side. Here the longest side is 5, so the short leg (shortest side) is 2.5

The other shortcut is that the longer leg is the

short leg×sqroot3

Here, the short leg is 2.5, so the long leg is 2.5×sqroot3

Perimeter is all the sides added together.

5 + 2.5+ 2.5×sqrt3

Do the times first.

5 + 2.5 + 4.3

= 11.8

6 0
1 year ago
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Stels [109]

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Julli [10]

Answer:

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Step-by-step explanation:

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2 years ago
Identify the polynomial.<br><br> x3- y3 + z
olga nikolaevna [1]
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So it is a trinomial"</span>
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3 years ago
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