Scientific and Standard Notations

The mass of he sun is 1.989 x 10³⁰ kilograms. The mass of the earth is 5.98 x 10²⁴ kilograms. How many times bigger is the sun than the earth?

• 3.326 x 10⁵

• 3.326 x 10⁶

• 1.99 x 10³⁰

• 1.99 x 10⁶

A computer's hard disk drive holds 8 x 10⁷ bytes of information.  If Jill buys an extra memory stick that holds 3 x 10⁶ bytes of information, how much memory will the computer hold?

• 11 x 10¹³

• 11 x 10⁷

• 8.3 x 10¹³

• 8.3 x 10⁷

A microgram is equal to 1 x 10 ^-6 grams. How many times greater than a microgram is 1 x 10² grams? 

• 1 x 10^-8

• 1 x 10^-4

• 1 x 10⁴

• 1 x 10⁸

The mean distance from the sun to Earth is 9.29 x 10⁷ miles. Jupiter's mean distance from the sun is 4.8388 x 10⁸ miles. What is the difference between these two distances in miles?

• 4.3092 x 10¹

• 3.9098 x 10⁷

• 3.9098 x 10⁸

• 5.7678 x 10⁸

Match the numbers in scientific notations to their standard form.

• 4,000

• 0.0034

• 0.0003

• 3,400

Mathematical Equivalence

OFF

Which of the following numbers is written in scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

If the exponent in scientific notation is a positive number the standard form will be ___.

• a really big number.

• a really small number.

If the exponent in scientific notation is a negative number the standard form will be ___.

• a really large number.

• a really small number.

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 0.00043756

• 43,756

• 4,3756