PRACTICE PROBLEMS 5. Mastering decimals. Correctly multiply the fol. a. 4.25 X 3.10 = b. 3.75 X 7.35 = c. 83.126 X 8.12 =

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Section
Mathematics and Dosage Calculations
24
6. RULE When you multiply decimals by 10 or any multiple of 10, you move the decimer
the product as many places as there are Os in the multiplier.
3.6 x 10 = 36
(1)
3.6 x 100 = 360
(2)
4. To check the accursey of your work, mualm
number as the dividend.
3.6 x 1000 = 3,600
(3)
3.6 X 10,000 = 36,000
(4)
3.6 X 100,000 = 360,000
(5)
5. When you have a whole number (d
a. 0.016 +4-
b. Place a decimal point on the
accuracy, place a 0 before th-
PRACTICE PROBLEMS
5. Mastering decimals. Correctly multiply the following decimals:
a. 4.25 X 3.10 =
b. 3.75 X 7.35 =
c. 83.126 X 8.12 =
f. 2.5 x 100,000 =
g. 10.4 X 10,000 =
h. 5.2 X 1,000 =
52,0 00
c. Because 4 will not go intL
i. 1.1 X 100 =
d. 66.66 X 3.33 =
j. 0.3 X 10 =
e. 0.0044 X 72.16 =
d. Because 4 will not ge
DIVISION OF DECIMALS
The following methods of dividing decimals are designed to guide you step by step through dividine a
whole numbers. The following methods of dividing decimals, dividing decimals by decimals, and dis
mals by 10 or any factor of 10. Master one step at a time and you will acquire a working understanding o
decimals.
e. Now 4 will go into
Dividing Decimals by Whole Numbers
To divide decimals by whole numbers, follow these steps:
f. To check the
number as t
1. To divide a decimal by a whole number, set up the division process as follows:
12.6 ÷ 2
2)12.6
2. Place a decimal point on the answer line directly over the decimal point of the diidend.
PRACTICE
6. Masterin
answer line
a. 28.8
2)12.6 dividend
b. 36.
3. Now you divide the dividend by the divisor.
C. 10
d. 5
6.3 quotient
divisor 2)12.6 dividend
e. 8S
12
Transcribed Image Text:Section Mathematics and Dosage Calculations 24 6. RULE When you multiply decimals by 10 or any multiple of 10, you move the decimer the product as many places as there are Os in the multiplier. 3.6 x 10 = 36 (1) 3.6 x 100 = 360 (2) 4. To check the accursey of your work, mualm number as the dividend. 3.6 x 1000 = 3,600 (3) 3.6 X 10,000 = 36,000 (4) 3.6 X 100,000 = 360,000 (5) 5. When you have a whole number (d a. 0.016 +4- b. Place a decimal point on the accuracy, place a 0 before th- PRACTICE PROBLEMS 5. Mastering decimals. Correctly multiply the following decimals: a. 4.25 X 3.10 = b. 3.75 X 7.35 = c. 83.126 X 8.12 = f. 2.5 x 100,000 = g. 10.4 X 10,000 = h. 5.2 X 1,000 = 52,0 00 c. Because 4 will not go intL i. 1.1 X 100 = d. 66.66 X 3.33 = j. 0.3 X 10 = e. 0.0044 X 72.16 = d. Because 4 will not ge DIVISION OF DECIMALS The following methods of dividing decimals are designed to guide you step by step through dividine a whole numbers. The following methods of dividing decimals, dividing decimals by decimals, and dis mals by 10 or any factor of 10. Master one step at a time and you will acquire a working understanding o decimals. e. Now 4 will go into Dividing Decimals by Whole Numbers To divide decimals by whole numbers, follow these steps: f. To check the number as t 1. To divide a decimal by a whole number, set up the division process as follows: 12.6 ÷ 2 2)12.6 2. Place a decimal point on the answer line directly over the decimal point of the diidend. PRACTICE 6. Masterin answer line a. 28.8 2)12.6 dividend b. 36. 3. Now you divide the dividend by the divisor. C. 10 d. 5 6.3 quotient divisor 2)12.6 dividend e. 8S 12
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