IM Math 8 Unit 7 Review

• -12

• There are more human cells than there are meters across the milky way.

• There are more meters across the Milky Way than there are human cells.

This statement contains a quantity. Rewrite each quantity using a power of 10.

There are about 37 trillion cells in an average human body.

• 37 trillion

• 37,000,000,000,000

This statement contains a quantity. Rewrite the quantity using a power of 10.

The Milky Way contains about 300 billion stars.

• 300,000,000,000

• 300 billion

This statement contains a quantity. Rewrite the quantity using a power of 10.

A sharp knife is 23 millionths of a meter thick at its tip.