Study Guides
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21.
Multiplying Decimal Numbers Help
Multiplying Decimals To multiply decimal numbers, perform multiplication as you would with whole numbers. Then count the number of digits that follow the decimal point or points in the factors. This total will be the number of digits that ...
Source: McGraw-Hill Professional -
22.
Decimal Fractions Help
Simplifying Fractions with Decimals Fractions having a decimal number in their numerator and/or denominator can be rewritten as fractions without decimal points. Multiply the numerator and denominator by a power of 10—the same power of ...
Source: McGraw-Hill Professional -
23.
Division with Decimals Help
Dividing Decimals We can use the method in the previous section to rewrite decimal division problems as whole number division problems. Rewrite the division problem as a fraction, clear the decimal, and then rewrite the fraction as a division ...
Source: McGraw-Hill Professional -
24.
Algebra Decimals Practice Test
Review the following concepts if needed: Decimals Help Adding and Subtracting Decimal Numbers Help ...
Source: McGraw-Hill Professional -
25.
Negative Numbers Help
Introduction to Negative Numbers A negative number is a number smaller than zero. Think about the readings on a thermometer. A reading of – 10° means the temperature is 10° below 0° and that the temperature would ...
Source: McGraw-Hill Professional -
26.
Rewriting a Subtraction Problem as an Addition Problem Help
Rewriting a Subtraction Problem as an Addition Problem Sometimes in algebra it is easier to think of a subtraction problem as an addition problem. One advantage to this is that you can rearrange the terms in an addition problem but not a ...
Source: McGraw-Hill Professional -
27.
Multiplication and Division with Negative Numbers Help
Introduction to Multiplying and Dividing Negative Numbers When taking the product of two or more quantities when one or more of them is negative, take the product as you ordinarily would as if the negative signs were not there. Count the ...
Source: McGraw-Hill Professional -
28.
Algebra Negative Numbers Practice Test
Review the following concepts if needed: Negative Numbers Help Rewriting a Subtraction Problem as an Addition Problem ...
Source: McGraw-Hill Professional -
29.
Exponents and Roots Help
Exponents The expression 4 x is shorthand for x + x + x + x , that is x added to itself four times. Likewise x 4 is ...
Source: McGraw-Hill Professional -
30.
Adding/Subtracting Fractions with Variables and Exponents Help
Adding/Subtracting Fractions with Variables and Exponents When adding fractions with variables in one or more denominators, the LCD will have each variable (or algebraic expression) to its highest power as a factor. For example, the LCD for ...
Source: McGraw-Hill Professional
