1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Zina [86]
3 years ago
5

What’s the answer and how to solve this problem

Mathematics
1 answer:
irakobra [83]3 years ago
7 0
That's a long problem for five points.
You might be interested in
Estimate the following quantities without using a calculator. Then find a more precise result, using a calculator if necessary.
zubka84 [21]

Explanation:

a. It is so easy to double a number that no approximation is necessary.

  31,000 × 200 = 3.1×10⁴ × 2×10² = 6.2×10⁶ exactly

__

b. 6.2×10³ × 5.2×10⁶ ≈ 6×5×10⁹ = 3×10¹⁰ approximately

The approximation can be refined a bit by taking the ".2" into account:

  6.2×10³ × 5.2×10⁶ ≈ (6×5 + .2×(6+5))×10⁹

  = 32.2×10⁹ = 3.22×10¹⁰ approximately

Actual product: 3.224×10¹⁰.

For most purposes, the approximation is an adequate approximation, as it it within 10% of the actual value.

__

c. 9×10⁶ -2.3×10⁴ ≈ 9×10⁶ approximately

A better approximation is to actually subtract an approximation of the smaller number:

  9×10⁶ -2.3×10⁴ ≈ (9 - 0.02)×10⁶ ≈ 8.98×10⁶ approximately

The actual value uses all of the digits of the smaller number:

  9×10⁶ -2.3×10⁴ ≈ (9 - 0.023)×10⁶ = 8.977×10⁶ exactly

As in part B, either approximation is adequate for most purposes, as the difference from the actual value is less than .3%.

_____

The accuracy required of an approximation, hence the work you expend improving accuracy, should depend on the need in the final application of the number. Often, approximations are used for budget or resource planning purposes where some "slop" is allowed or even expected.

They can also be used in engineering applications, where the error needs to be on the side of more safety (rather than less).

7 0
3 years ago
What is 456% as decimal
aleksandrvk [35]

Answer:

4.56

Hope this helps. :)

8 0
3 years ago
Which is equivalent to 5 and 2 fifthteenthes
nikklg [1K]

Answer:

32/15 = 5 2/15

6 0
3 years ago
Read 2 more answers
Explain it hank needs 3 quarters to play one video game each time.if he has 14 quarters, how many timed can he play? Explain.
ratelena [41]
<span> The answer is is 4 times. </span>
<span>The reason it is 4 is because 3 times 4 is 12 and 12 is less than 14. If you did 3 quarters times 5, you would get 15, going over the limit.</span>
6 0
3 years ago
If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?
yuradex [85]
Y
y=ax
where a is a constant of proportionality;
y=20, x=4
20=4a
a=20/4
a=5
y=5x
The constant of variation is 5
3 0
3 years ago
Other questions:
  • Negative sixteen plus the quotient of a number and -4 is -3
    5·1 answer
  • Simplify 3-4i/3+4i + 3+4i/3-4i
    9·1 answer
  • How are a common denominator and a common multiple alike and different?
    13·2 answers
  • A car is traveling at a rate of 99 kilometers per hour. what is the car's rate in kilometers per minute? how many kilometers wil
    6·1 answer
  • The population of a certain single-cell organism doubles every hour, starting with 100 cells. Which COULD be an equation to mode
    5·1 answer
  • Help me please !!!!!
    15·1 answer
  • Help please with this question I will mark branliest
    10·2 answers
  • Can someone help me with part B?? I already did part A <br><br> Thank you so much :)
    14·2 answers
  • Use a graphic calculator to determine the intervals on which (x)=2x^3-3x-1 is increasing or decreasing.
    9·1 answer
  • Triangle U S T is shown. Angle U S T is 100 degrees. The length of U S is 9, the length of S T is 10, and the length of U T is s
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!