**15 what is 2 1/2 x 1 1/2, 5.4 x 2 3/4, and 3.1 x 2/7?

Asap! i'm not good math and i'm lost.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?