3. In 1980 there were 900 residents of Sillycity. The
number of residents increases by 60% every year. How
many residents are there in 1988?
a) 15,099
b) 24,158
c) 38,653
O d) 9,437

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Which expression and diagram represent “renee biked four times as far this month as last month”?

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?