Graphite is made up of layers of graphene. Each layer of graphene is about 200 200
picometers, or 200×10−12
200
×
10
−
12
meters, thick.

How many layers of graphene are there in a 1.6
1.6
-mm-thick piece of graphite? Write your answer in scientific notation.

Refer to the table below if needed. second quadrant third quadrant fourth quadrant sin(1800- - cos(180° -) tan(180°-e) =- tane cot(1800-0) 10 it to solo 888 sin(180° +c) = - sine cos(180° +) =- cose tan(180° +c) = tane cot(180° +o) = cote sec(180° + c) = - seco csc(180° +2) = - csce sin(360° -) =- sine cos(360° -) = cose tan(360° - e) =- tane cot(360° -) = -cote sec(360° -) = seco csc(360° -) = csco sec(180° -) = csc(180° -) = csca 1991 given that sine = 3/5 and lies in quadrant ii, find the following value. tane

The sum of two numbers is 86, and their difference is 20. find the two numbers

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?