69108 what is this number written in standard form

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?

Look at the example below which shows how the product property of radicals is used to simplify a radical. use the product property of radicals to simplify the following radical.

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.