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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. "
Ray's New Practical Arithmetic: A Rev. Ed. of the Practical Arithmetic - Page 166
by Joseph Ray - 1877 - 336 pages
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Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1877 - 374 pages
...exact when the quotient is carried to 4 decimal places, unless great accuracy is required. 5. To divide by 10, 100, 1000, etc., remove the decimal point as many places to th toft as there arc ciphers on the right hand of the divisor. EXAMPLES FOE PRACTICE. 2. Divide .675...
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The practice of arithmetic

Daniel O'Sullivan - 1877 - 194 pages
...; (/) multiplying by 7,000, and subtracting 8 times the multiplicand from the result ; (g) removing the decimal point as many places to the right as there are HIKES, and subtracting the multiplicand from the result. [For the answers to the questions under this...
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Elementary Arithmetic, Oral and Written

William Guy Peck - Arithmetic - 1878 - 240 pages
...0.143 by .12. 21. 387.2 by 8.143. To multiply a decimal or a mixed decimal by 10, 100, 1000, etc., move the decimal point as many places to the right as there are ciphers in the multiplier, annexing ciphers to the multiplicand if necessary. Multiply 22. .78 by 10. 24. .473 by 1000. PRACTICAL...
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Elementary Arithmetic and how to Teach it

George Ricks - Arithmetic - 1879 - 420 pages
...we are able to deduce the following rule : — To multiply a decimal by 10 or any power of 10, shift the decimal point as many places to the right as there are ciphers in the multiplier. II. To MULTIPLY DECIMAL FRACTIONS BY ANY OTHER DECIMAL FRACTIONS. Example 1.— Multiply 2-3 by 3-2,...
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Bradbury's Eaton's Practical Arithmetic ...

William Frothingham Bradbury - 1882 - 416 pages
...a hundred, etc., to multiply by 10, 100, 1000, or 1 with any number of ciphers annexed, Rule. Move the decimal point as many places to the right as there are ciphers in the multiplier. NOTE. If there are not as many decimal places in the multiplicand as ciphers in the multiplier, in...
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Ray's Elementary Arithmetic: Embracing Mental and Written Exercises, for ...

Joseph Ray - Arithmetic - 1879 - 200 pages
...10, 100, or 1000, the work can be shortened by simply moving the point. 2. In multiplying, move the point as many places to the right as there are ciphers in the multiplier. Thus; $12.50 = 1250 cents; $2.255 = 2255 mills. 3. In dividing, move the point as many places to the...
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The science and art of arithmetic, by A. Sonnenschein and H.A. Nesbitt ...

Adolf Sonnenschein - 1880 - 496 pages
...two places; by 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...
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Ray's New Higher Arithmetic: A Revised Edition of the Higher Arithmetic

Joseph Ray - Arithmetic - 1880 - 420 pages
...principles are derived : PRINCIPLES. — 1. A number is reduced to a LOWER denomination by removing the decimal point as many places to the RIGHT as there are ciphers in the multiplier. 2. A number is reduced to a HIGHEE denomination by removing the decimal point as many places to ll,e...
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The New Practical Arithmetic

Waite A. Schoemaker - Arithmetic - 1887 - 454 pages
...10, 100, 1000, etc. Rule. — To divide by 10, 10O, 1000, etc., remove the figures of the dividend as many places to the right as there are ciphers in the 10, 100, 1000, etc. 10 (groups) of = 459678. (groups) of 10 = 459678. 1000 (groups) of = 459678. (groups)...
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Elementary Arithmetic

Charles Scott Venable - Arithmetic - 1888 - 242 pages
...1.1056 8. 40.0609 9. 50.507 le. 5.0557 11. 26 104 275 362 123 282. To multiply by 10, 100, etc., move the decimal point as many places to the right as there are ciphers in the multiplier, annexing ciphers when necessary. 283. Find the products in the following : 1. 1O x 2. 1O x 3. 1OO x...
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