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" To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers. "
A Complete Arithmetic: Oral and Written ; Part First-second - Σελίδα 79
των Malcolm MacVicar - 1878
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The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - 1868 - 468 σελίδες
...the multiplier is always 10, 100, 1000, &c., the operation is performed by removing the decimal point as many places to the right as there are ciphers in the multiplier, annexing ciphers when necessary. EXAMPLES FOR PRACTICE. 1. Reduce 3M32.58 to millimetres. 2. Reduce 'M 5 to decimetres. 3. Reduce G402...

A Practical Business Arithmetic: For Common Schools and Academies. Including ...

Whitman Peck - 1868 - 304 σελίδες
...Ans. $129.375 In multiplying US money by 10, 100, &c., it is sufficient to remove the separating point as many places to the right as there are ciphers in the multiplier ; as $4.50X100=$450. 16. At $1.25 a bushel, how much will 20 bushels of corn cost ? 17. At 62>^ cents...

Practical Arithmetic, by Induction and Analysis

Joseph Ray - 1857 - 358 σελίδες
...work can be shortened by simply moving the point. ILLUSTRATIONS. — In Multiplying, move the point as many places to the right, as there are ciphers in the multiplier. Thus, $2.50 = 250 cents; §2.50 5=2505 mills. In Dividing, move the point as many places to the left,...

New Practical Arithmetic in which the Science and Its Applications are ...

Henry Bartlett Maglathlin - 1869 - 332 σελίδες
...the decimal point. For, multiplying by 10, 100, etc., has the same effect, removing the decimal point as many places to the right as there are ciphers in the multiplier (Art. 30). Examples. 4. In $162 how many mills ? Ans. 162000 mills. 5. In $1.62 how many cents ? Ans....

The science and art of arithmetic, by A. Sonnenschein and H.A. Nesbitt ...

Adolf Sonnenschein - 1870 - 276 σελίδες
...1000, three places, and so on. Rule : To multiply a decimal by any power of 10, shift the decimal point as many places to the right as there are ciphers in the multiplier, adding ciphers if necessary. Thus : 7-63x100000 = 763000. EXERCISE VI. By vulgar fractions and by decimals...

An Intermediate Arithmetic: Uniting Mental and Written Exercises in a ...

Emerson Elbridge White - 1873 - 260 σελίδες
...prefixing decimal ciphers. 2. To multiply a decimal by 10, 100, 1000, etc., Remove the decimal point as many places to the right as there are ciphers in the multiplier. NOTE. — If there be not enough decimal places in the product, supply the deficiency by annexing ciphers....

Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - 1871 - 384 σελίδες
...the multiplier is always 10, 100, 1000, &c., the operation is performed by removing the decimal point as many places to the right as there are ciphers in the multiplier, annexing ciphers when necessary. EXAMPLES FOR PRACTICE. 1. Reduce SM 32.58 to millimetres. 2. Reduce 4M 5 to decimetres. 3. Reduce (1402...

Introduction to the National Arithmetic on the Inductive System: Combining ...

Benjamin Greenleaf - 1871 - 350 σελίδες
...prefixing ciphers. NOTE. — To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers. Thus, 1.25 X 10 = 12.5; and 1.7 X...

Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - 1858 - 378 σελίδες
...10, 100, 1000, &c., tho operation is performed by removing tho decimal point as many places to thu right as there are ciphers in the multiplier, annexing ciphers when necessary. EXAMPLES FOK PRACTICE. 1. Reduce SM 32.58 to millimetres. 2. Reduce 4M 5 to decimetres. 3. Reduce G...

The principles of arithmetic

Daniel O'Sullivan - 1872 - 382 σελίδες
...Multiplication, (i.) when the multiplier is either 10 or a power of 10 : Remove the decimal point of the multiplicand as many places to the right as there are ciphers in the multiplier. (2.) When the multiplier is not a power of 10, and does not exceed 12 : Multiply the units' figure...




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