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ANTONII [103]
3 years ago
6

Briefly describe scientific notation. how is it useful for writing large and small​ numbers? how is it useful for making​ approx

imations?
Mathematics
1 answer:
Alenkasestr [34]3 years ago
4 0
Scientific notation, also called pattern or notation in exponential form, is a way of writing numbers that accommodate values too large (100000000000) or small (0.00000000001) to be written in a conventional manner.

 The use of this notation is based on powers of 104
 Example:
 Big numbers:
 100000000000 = 1 * 10 ^ {11}

 Small numbers:
 0.00000000001 = 1 * 10 ^{-11}

 However, in areas such as physics and chemistry, scientific notation is important to make approximations such as:
 mass of a proton
 mass of an electron and others.
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What is the 4th perfect number and what are its divisors?
Aleks04 [339]

Answer:

  8128

  1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064

Step-by-step explanation:

A perfect number is one whose divisors total the number itself. Only 51 perfect numbers are known at this time. The first five are ...

  6, 28, 496, 8128, 33550336

The fourth perfect number is 8128. Its divisors (excluding the number itself) are ...

  1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064

3 0
3 years ago
The Ruiz family is exchanging euros for US dollars. The exchange rate is 1 euro equals 1.35261 USD. Since the Ruiz family knows
katovenus [111]

Answer:

It will depend on how many euros they intend to convert. If they were only converting one euro they would get $1.35 whichever rate they used, but imagine it was a thousand euros - at the correct rate they would get $1352.61, at the proposed rate they would only get $1350.

Step-by-step explanation:

No, by rounding the conversion ratio, the Ruiz family will not be getting the most accurate answer. Using the more accurate conversion ratio will give an answer with more than 2 decimal places so the answer can accurately be rounded after the conversion.

5 0
3 years ago
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Solve the problem using
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Answer: Andy has 30 dollars left

Step-by-step explanation: 38 - 5 - 3 = 30

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What is 4x - 2 equals 3x + 14
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If you are solving for x, the answer is x=16.
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4 years ago
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on her 120 point final exam latonja needs above a 90% to secure an A fot the course. If she scored 109 points, did she earn an A
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Answer:

yes

Step-by-step explanation:

a 90 percent would be 108

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