Cristina uses a ruler to measure the length of her math textbook. she says that the book is 4/10 meter long. ise her measurement in simplest form? if not, what is the length of the book in simplest form?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

You use technology ans find a sum of 6.712e-8. write this sum in standard form