Customers at an ice-cream shop took a survey. The results showed that 320 customers came to the store. 45% of the customers took the survey. What was the total number of customers who did NOT take the survey?​

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.