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Zarrin [17]
3 years ago
11

Express the answer to 4.31x10^7 multiplied by 5.41x10^5 scientific notation.

Physics
1 answer:
I am Lyosha [343]3 years ago
7 0

Answer:

The product of the two numbers is 2.33* 10^13

Explanation:

Given

4.31x10⁷ and 5.41x10⁵

Required

Multiply

The multiplication of the two digits is represented as thus:

Result = 4.31 * 10^7 * 5.41 * 10^5

This can also be rewritten as

Result = 4.31 * 5.41 * 10^7 * 10^5

Multiply 4.31 and 5.41

Result = 23.3171 * 10^7 * 10^5

Apply laws of indices

Result = 23.3171 * 10^{7+5}

Result = 23.3171 * 10^{12}

The scientific notation is always in the form: a * 10^n

Where 1 \leq\ a \leq 10

So:

23.3171 can be rewritten as 2.33171 * 10

So, we have:

Result = 2.33171 * 10* 10^{12}

Also, apply law of indices again

Result = 2.33171 * 10^{1+12}

Result = 2.33171 * 10^{13}

It's always advisable (but not compulsory to approximate to 1 or 2 decimal places)

So:

Result = 2.33* 10^{13}

<em>Hence; the product of the two numbers is 2.33* 10^13</em>

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Which statements describe the relationship between the area and the biodiversity of an ecosystem? Check all that apply. Large ec
snow_tiger [21]

Answer:

A large area of a forest will likely have higher biodiversity than a smaller area of the same forest.

A half acre of rainforest would likely have greater biodiversity than a full acre of desert.

Explanation:

biodiversity of an ecosystem can be simply explain as the variability that exist in the ecosystem. These are difference that exist between living organism in terms of their habitat, their species and so on. However there exist different relationship between the area of ecosystem and the biodiversity of an ecosystem such that An ecosystem with large area of a forest will likely have higher biodiversity than a smaller area of the same forest.

Another one is that A half acre of rainforest would likely have greater biodiversity than a full acre of desert.

3 0
3 years ago
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A 10 ohms resistor is powered by a 5-V battery. The current flowing<br> through the source is:
mario62 [17]
  • Resistance=R=10ohm
  • Voltage=V=5V
  • Current=I

Applying ohm's law

\\ \sf\longmapsto \dfrac{V}{I}=R

\\ \sf\longmapsto I=\dfrac{V}{R}

\\ \sf\longmapsto I=\dfrac{5}{10}

\\ \sf\longmapsto I=0.5A

4 0
2 years ago
He power output of a cyclist moving at a constant speed of 5.3 m/s on a level road is 120 w. (a) what is the force exerted on th
EleoNora [17]
P=F*V
F=P/V
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8 0
3 years ago
What is the frequency in hertz of a signal that repeats 80,000 times within one minute? What is its period?
Harman [31]

1333.3 is the frequency in the hertz of a signal that repeats 80,000 times within one minute. 0.00075 is its period.

The frequency of a repeated event is its number of instances per unit of time. In some cases, it is also referred to as temporal frequency or ordinary frequency to underline differences with spatial and angular frequencies, respectively.

The length of time it takes for a particle in a medium to complete one full vibrational cycle is the period of a wave. Being a time, a period is measured in time units like seconds, hours, days, or years. The Earth's orbit around the Sun has a duration of around 365 days, and one cycle of the Earth lasts 365 days.

frequency = cycle /second

frequency = 80000 / 60

frequency = 1333.3 hertz

Period = 1 / frequency

Period = 1 / 1,333.3

Period = 0.00075

To know more about  frequency refer to:  brainly.com/question/14472937

#SPJ4

5 0
2 years ago
ANswer the question and give example: Can friction ever perform positive work?
Harman [31]
Yes. Think of block sitting on top of a bigger block. If the bottom block moves, it will drag the top block with it. Since the force of friction on the small block and its displacement are in the same direction, the "work" is positive. The static friction is a passive force, It is not a source of energy; it transmits the force placed on the bottom block. (And the "work" done by the friction on the bottom block is exactly the negative of the work done on the top block.) 
4 0
3 years ago
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