What is scientific notation?

A way of expressing numbers that are too large or too small to be conveniently written in decimal form, using the format $$a \times 10^n$$ .

How do you convert a decimal to a fraction?

Write the decimal as a fraction with a denominator of 1, then multiply the numerator and denominator by 10 for each digit after the decimal point.

What is the relationship between fractions and decimals?

Fractions can be converted to decimals by dividing the numerator by the denominator.

What is the value of $$\frac{1}{3}$$ in decimal form?

0.333... (repeating) or 0.3 with a bar over it.

What does it mean for a number to be irrational?

An irrational number cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

How do you determine if a number is rational or irrational?

If it can be expressed as a fraction of two integers, it is rational; if not, it is irrational.

What is the significance of the exponent in scientific notation?

The exponent indicates how many places to move the decimal point to convert the number back to standard form.

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1.

FLASHCARD QUESTION

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2.

FLASHCARD QUESTION

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3.

FLASHCARD QUESTION

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Which fraction is equivalent to 0.125?

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4.

FLASHCARD QUESTION

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5.

FLASHCARD QUESTION

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Which number is not rational?

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6.

FLASHCARD QUESTION

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What is the definition of a rational number?

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7.

FLASHCARD QUESTION

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0.125

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