# Shared Flashcard Set

## Details

Chap. 2 in Physics Demystified
Increadibly basic review of Scientific Notation.
14
Physics
Not Applicable
02/15/2007

Term
 Scientific Notation
Definition
 A way of expressing the extreme range of values.
Term
 What is a Subscript and what is it used for?
Definition
 A subscript is used to modify the meaning of units, constants, and vaiables. It is placed to the right of the main character and set in a smaller type than the main character and below the base line.
Term
 What is a superscript and what is it used for?
Definition
 A superscript almost always represents an exponent. It is written in a smaller type than the main character and is set above the base line.
Term
 Z sub zero is read as what?
Definition
 Z sub nought.
Term
 m sub e represents what?
Definition
 The mass of an electron at rest.
Term
 How is "e raised to the x" read?
Definition
 e to the xth.
Term
 What is usually meant when talking about scientific notation?
Definition
 Power of 10 notation.
Term
 What is the standard form for writing mn0000, asumming that m is in the hundred thousands place in this number, and n is in the tenthousands place?
Definition
 m.n*10^5.
Term
 A radix point is more commonly known as what?
Definition
 A decimal point.
Term
 Why and when might someone write 30000 as .3*10^5?
Definition
 In ceratin countries and in many books and papers written before the middle of the twentieth century, this was the standard way to write in the power of ten notation.
Term
 What are the four ways to express multiplication?
Definition
 A cross sign at a 45 degree angle, an asterus (*), parenthasis, or a dot that is above the base line.
Term
 When using units that need to be multiplied, which form of multiplication should be used?
Definition
 The dot that is raised above the base line.
Term
 What are two ways of expressing a number times ten raised to another number? The possitive form of one of them can be written two ways, which mades three total. Use any numbers for this problem.
Definition
 8.234E8, 8.234E+8, 8.234*10^8
Term
 The orders of magnitued larger of one number than another number means what?
Definition
 One number might be 10^n times bigger than the other number, so the order of magnitued is n.
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