Ineed to know asap

i know this is probably easy but i don’t understand it.

1.7x10^3 in 1 decimal place not in standard form

would it be something like 1.06

On any given day, the number of users, u, that access a certain website can be represented by the inequality 1125-4530 which of the following represents the range of users that access the website each day? u> 95 or u < 155 95> u> 155 u< 95 or > 155 95

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

Which number line represents the solution set for the inequality - x 24?