CHEM12_C0300_SWBT
HW answers 1 - 16 1. Precision = reproducibility; repeatability. How close a series of measurements are to each other. If the “range” (difference between.
I. Scientific Method. The Scientific Method A logical approach to solving problems or answering questions. Starts with observation- noting and recording.
Units and Standards. In science, numbers aren’t just numbers. They need a unit. We use standards for this unit. A standard is: a basis for comparison.
I II III I. Using Measurements CH. 2 - MEASUREMENT.
Significant figures = important numbers Significant figures include all known digits plus one estimated digit 0.01 vs. 0.010 vs. 0.0100 Which number is.
C. What are Significant Figures The places in the numbers that are important. They tell you how precise a measurement is. The places in the numbers that.
SCIENTIFIC NOTATION A value written as the product of two numbers: a coefficient and 10 raised to a power. Ex: 602,000,000,000,000,000,000,000 is 6.02.
Homework: Due Friday 9/4 Do 1-10 on a separate sheet of paper, include units. Do all problems on slide 25 as well.
Unit One Review Accuracy and Precision The important things to remember about accuracy and precision: You want measurements that are both accurate and.
Significant Figures & Rounding Chemistry A. Introduction Precision is sometimes limited to the tools we use to measure. For example, some digital clocks.
Measurement
