Scientific Notation Word Problems

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form. It is typically in the form of a x 10^n, where 1 ≤ a < 10 and n is an integer.

Tags

CCSS.8.EE.A.3

Front

How do you add numbers in scientific notation?

Back

To add numbers in scientific notation, they must have the same exponent. If they do not, adjust one or both numbers to have the same exponent, then add the coefficients.

Tags

CCSS.8.EE.A.4

Front

How do you subtract numbers in scientific notation?

Back

To subtract numbers in scientific notation, they must have the same exponent. If they do not, adjust one or both numbers to have the same exponent, then subtract the coefficients.

Tags

CCSS.8.EE.A.4

Front

How do you multiply numbers in scientific notation?

Back

To multiply numbers in scientific notation, multiply the coefficients and add the exponents. The result will also be in scientific notation.

Tags

CCSS.8.EE.A.4

Front

How do you divide numbers in scientific notation?

Back

To divide numbers in scientific notation, divide the coefficients and subtract the exponent of the denominator from the exponent of the numerator. The result will also be in scientific notation.

Tags

CCSS.8.EE.A.4

Front

What is the purpose of using scientific notation in calculations?

Back

Scientific notation simplifies calculations with very large or very small numbers, making it easier to read, write, and compute.

Tags

CCSS.8.EE.A.3

Front

What is the significance of the exponent in scientific notation?

Back

The exponent in scientific notation indicates the power of ten by which the coefficient is multiplied, determining the scale of the number.

Tags

CCSS.8.EE.A.3

Front

How do you convert a number from standard form to scientific notation?

Back

To convert a number from standard form to scientific notation, move the decimal point to create a number between 1 and 10, and count the number of places moved to determine the exponent.

Tags

CCSS.8.EE.A.3

Front

What is the relationship between the mass of the sun and the earth in scientific notation?

Back

The mass of the sun (1.989 x 10^30 kg) is approximately 333,000 times the mass of the earth (5.98 x 10^24 kg), calculated by dividing the two masses.

Tags

CCSS.8.EE.A.4

Front

How do you find the total amount when adding two quantities in scientific notation?

Back

To find the total amount when adding two quantities in scientific notation, ensure both quantities have the same exponent, then add the coefficients.

Tags

CCSS.8.EE.A.4