Scientific Notation and Exponents

Scientific Notation and Exponents

Assessment

Flashcard

Mathematics

8th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten, in the form a x 10^n, where 1 ≤ a < 10 and n is an integer.

2.

FLASHCARD QUESTION

Front

How do you add numbers in scientific notation?

Back

Align the exponents. If they are different, convert one number to have the same exponent as the other before adding the coefficients.

3.

FLASHCARD QUESTION

Front

What is the exponent rule for multiplying powers with the same base?

Back

Add the exponents: a^m * a^n = a^(m+n).

4.

FLASHCARD QUESTION

Front

What is the exponent rule for dividing powers with the same base?

Back

Subtract the exponents: a^m / a^n = a^(m-n).

5.

FLASHCARD QUESTION

Front

What does a negative exponent represent?

Back

A negative exponent indicates the reciprocal of the base raised to the opposite positive exponent: a^-n = 1/a^n.

6.

FLASHCARD QUESTION

Front

What is the value of 10^0?

Back

10^0 = 1, because any non-zero number raised to the power of zero is 1.

7.

FLASHCARD QUESTION

Front

How do you simplify xy^-7?

Back

xy^-7 = x / y^7, using the rule for negative exponents.

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