Scientific Notation How Many Times Greater

The factor multiplied by a power of 10 in scientific notation needs to be greater than or equal to one but less than ___________?

• 1

• 10

• 100

• 1,000

Which of the following in the LARGEST number?

• 9 x 10⁶

• 8 x 10¹⁰

• 1.3 x 10¹²

• 5.3 x 10³

Which is greater? 1.111 x 10¹⁵ or 9.999 x 10³ ?

• They are equivalent.

• There is no way to determine which is greater. The numbers are too big to understand.

• 1.111 x 10¹⁵ is greater because of the larger exponent

• 9.999 x 10³ is greater because 9.999 is larger than 1.111

The average person blink 2.88 x 10⁴ times a day. How many times does a person blink in year (365 days)? Write your answer in scientific notation

• 367.88 x 10⁴

• 1.0512 x 10⁷

• 1051.2 x 10⁴

• 3.6788 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 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

As part of a community service project, a class planted 7x10⁵  trees in a year.  If there are 3.5x10³ students in the school, how many trees did each student plant?

• 2 x 10⁸

• 2 x 10²

• 3.5 x 10⁸

• 3.5 x 10²

How many times greater is

8.2 x 10⁸ then 200,000

• 41 times greater

• 410 times greater

• 4.1 times greater

• 4,100 times greater

The mass of he sun is 1.989 x 10³⁰ kilograms. The mass of the earth is 5.98 x 10²⁴ kilograms. Which operation would we use to determine how many times bigger is the sun than the earth?

• Add

• Subtract

• Multiply

• Divide

Compare 2.01 x 10¹⁵ and 2.8 x 10¹³. Which number is larger?

• 2.01 x 10¹⁵

• 2.8 x 10¹³