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NeX [460]
3 years ago
13

Addison studies a tarantula there is 30 millimeters long. Suppose she used a microscope to magnify the spider by 4×10 to the sec

ond power. How long will the spider a peer to be.
Mathematics
1 answer:
tamaranim1 [39]3 years ago
3 0

we know that

If the microscope magnify the spider by 4*10^{2}

that means that magnifies the spider 400 times

so

Multiply the length of the tarantula by 4*10^{2}

30mm*4*10^{2} =30mm*400=12,000 mm

therefore

<u>the answer is</u>

the spider under such microscope he will appear to be 12000 mm

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Explanation:

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The number 245 is also an integer. It does not have any decimal or fractional parts. The set of integers includes negative whole numbers as well.

The number 245 is a whole number for similar reasoning as it being an integer.

The number 245 is a rational number. Why? Because we can write 245 as 245/1. In other words, 245 = 245/1. Because we can form a fraction of two integers, this shows us 245 is rational. Note: 0 cannot be in the denominator.

The number 245 is NOT an irrational. If a number is rational, then it cannot be irrational. The very definition of "irrational" means "not rational". An example of an irrational number is sqrt(2). We cannot write this as a fraction of two integers.

The number 245 is a real number. If you haven't learned about complex numbers yet, then every number you encounter is a real number.

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To summarize, 245 is a natural number, a whole number, an integer, a rational number, and a real number.

A much shorter way to say this is "everything but irrational" since irrational is the only non-answer.

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