What is 0.1 written as a power of ten?

10^-5
10^-6
10^-7
10^-8

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Triangle knm is what is true about the sides of knm