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3 years ago

Hello! Can someone explain Scientific Notation in math? Thank you so so much!

Mathematics

2 answers:

Damm [24]3 years ago

8 0

Answer:

Scientific notation is a mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten, so you can write large numbers using less digits. An example of scientific notation is when you write 4 x 10³ for 4,000. noun. 7. 0.

Step-by-step explanation:

Talja [164]3 years ago

3 0

Hullo!

Scientific notation is the way that scientists easily handle very large numbers or very small numbers. For example, instead of writing 0.0000000056, we write 5.6 x 10-^9.

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Find the exact value

Mnenie [13.5K]

By using properties for trigonometric functions and trigonometric expressions, we find that the exact value of the sine of the angle 5π/12 radians is $\frac{\sqrt{2+\sqrt{3}}}{2}$ .

<h3>How to find the exact value of a trigonometric expression</h3>

Trigonometric functions are trascendent functions, these are, that cannot be described algebraically. Herein we must utilize trigonometric formulae to calculate the exact value of a trigonometric function:

$\sin \frac{5\pi}{12} = \sqrt{\frac{1 - \cos \frac{5\pi}{6} }{2} }$

$\sin \frac{5\pi}{12} = \sqrt{\frac{1 + \cos \frac{\pi}{6} }{2} }$

$\sin \frac{5\pi}{12} = \sqrt{\frac{1 + \frac{\sqrt{3}}{2} }{2} }$

$\sin \frac{5\pi}{12} = \sqrt{\frac{2+\sqrt{3}}{4} }$

$\sin \frac{5\pi}{12} = \frac{\sqrt{2+\sqrt{3}}}{2}$

To learn more on trigonometric functions: brainly.com/question/15706158

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2 years ago

Susan wants to conduct a survey to find how much time the students of her school spent eating in a local cafeteria. Which of the

jekas [21]

Answer:

(D)How many hours during the week do you eat in the cafeteria?

Step-by-step explanation:

This question directly gives her the information she needs. She wants to find out how much time students spend eating in the cafeteria and that is exactly what this question is asking.

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4 years ago

\boxed{ \rm{ \pink{ \displaystyle \: QUESTION....}}}

dezoksy [38]

Answer:

$\pink{ \rm{SOLUTION:-}}$

$\pink{ \rm{Here,}}$

$\boxed{162}$ can be a perfect square if the factor $\boxed{2}$ is a paired.

Hence, $\boxed{162×2}$ ,will be a perfect square.

$: \implies{324 = {3}^{2} \times {3}^{2} \times {2}^{2} }$

Hence,the square root is $3×3×2,i.e. 18$

${\rm{162 \: must \: be \: multiplied \: by \: 2 \: to \: make \: it \: a \: perfect \: square.}}$

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2 years ago

Read 2 more answers

What are some good studying methods? I have an exam in a week and I don't even know what my teacher taught me.. How do I teach m

Nikitich [7]

Answer:

lol i would listen to music or do/stay somewhere comfortable it helps me

Step-by-step explanation:

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3 years ago

Which best describes a graph of a puppy's weight during its first year of life?

DerKrebs [107]

It would drastically go up (because when a dog is young it grows the most), then it would slowly go up. Reply if you need more help or if your confused.

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4 years ago