## Thinking Mathematically (6th Edition)

a. $1.5$ b. $1.51$ c. $1.507$ d.$1.5065917$
Rounding $1.5065916514855$ to: a. the nearest tenth $1.5$ (The digit behind the tenth digit is 0, so we keep the tenth digit the same and remove all the digits behind it). b. the nearest hundredth $1.51$ (The digit behind the hundredth digit is 6, so we increase the hundredth digit by 1 and remove all the digits behind it). c. the nearest thousandth $1.507$ (The digit behind the thousandth digit is 5, so we increase the thousandth digit by 1 and remove all the digits behind it). d. seven decimal places $1.5065917$ (The digit in the 8th decimal place is 6, so we increase the digit in the 7th decimal place by 1 and remove all the digits behind it).