What does a comma mean in math? for example 13,094+259,728

im not talking about the comma in 13,094 but the comma in between 259 and 728.

A few years ago, a total of 2665 thousand people lived in the metropolitan areas of Las Vegas, Nevada, and Sacramento, California. Sacramento had 275 thousand more residents than Las Vegas. What was the population of each metropolitan area?

Rewrite the function by completing the square. h (x) = 4 x^{2} - 36 x + 81

Angela has 15 chocolate cookies. She eats 6 of them, then goes to the store and buys 1 more. How many cookies does Angela have now?

It takes 36 minutes for 7 people to paint 4 walls. How many minutes does it take 9 people to paint 7 walls?

Compute the total cost of the meal to the nearest cent: meal costs $24.62 plus 6% tax and 15% tip. a) $33.06 b) $30.20 c) $29.79 d) $32.67

What is the value of x in the equation 5.5x = 17.6? 3.2 12.1 23.1 96.8

For f (x) = 2x+1 and g (x) = x2-7, find (f 3) (x).

the average sunflower has 34 petals. which is the best estimate of the total number of petals on 57 sunflowers

To improve his basketball skills, Troy decides to practice six times as many free throws and four times as many jump shots every day.

Find the difference fracion. 3-2 2/5