SCIENTIFIC NOTATION

A dog has a mass of 19 kg. What is the mass of the dog in grams, expressed in scientific notation?

1.9 x 10^4 g

Choose the answer that shows the following number correctly written in scientific notation. 430,000

4.3 x 10^5

Choose the correct representation of this number written in scientific notation. 0.0000535

5.35 x 10^-5

Perform this calculation using scientific notation: (0.003999×108)+(6.00111×108)= _____.

6.00511 x 10^8

Calculate: (7.0×105)+(2.5×104)= _____.

7.25 x 10^5

Solve: (6.825×10^−3)×(1.2×10^−8)

8.2 x 10^-11

Scientific notation is a way of writing very large or very small numbers using _____ to make them easier to work with.

exponents

When converting a number to scientific notation, moving the decimal to the left makes the exponent _____ ; while moving the decimal to the right makes the exponent _____.

positive, negative

_________ notation allows us to express very large or very small numbers using exponents, which saves time and makes it easier to compare numbers of very different magnitude.

scientific

For what types of numbers is scientific notation especially useful? I. very large numbers II. very small numbers

| and ||

Scientific notation is a convenient and accurate way to represent very large and very small numbers.

TRUE

To write a number in proper scientific notation, the coefficient should be greater than or equal to 1, but less than 10.

TRUE