Regents Exam Prep Center: Converting to and From Scientific Notation

Scientific notation is defined and used to express the number 0.0000000003457. This concept is not as clearly defined as it could be, and is probably not suitable for those who have not had prior experience with the concept.

Sal uses a TI-85 graphing calculator to demonstrate how to check his work while he solves a complex word problem where he must use scientific notation to express his answer. This would be a very useful video for an SAT prep or cumulative...

Explaining scientific notation is useful because "it allows us to write really large or really small numbers in ways that are easy for our brains to write down and understand," Sal proceeds to solve a few practice problems involving...

Apply the concept of scientific notation to a word problem involving the rate of speed. Sal explains how to express the answer in scientific notation.

Scientists use very large and very small numbers when measuring things. A Veritasium video explains how scientific notation simplifies these numbers. It offers examples of how to convert such numbers into scientific notation—and from...

This video contains additional scientific notation examples, continuing from the previous presentation. Viewers can see Sal work through several more problems using the techniques he has outlined throughout the pre-algebra video series.

The instructor demonstrates how to convert a number written in scientific notation to a decimal number. An example is given for a number with a positive exponent, and an example is given for a number with a negative exponent.

Learn how to multiply and divide numbers when they are written in scientific notation with this easy-to-follow tutorial.

Review of material on transformations, which offers definitions and examples, as well as worksheets and resources for extending instruction. Follow links to find guidelines for examining transformations using a Geometer's Sketchpad.

Discover the world of "similarity" in this test prep tutorial on similar triangles. Detailed explanation of concept with examples, challenging interactive practice, and a classroom activity that integrates math and science.