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" To multiply a decimal by a power of 10, move the decimal point to the right as many places as there are zeros in the multiplier, annexing zeros if necessary. "
The Pilot Arithmetics - Page 181
1923
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The Bryant and Stratton Business Arithmetic

H. Bryant - 1881 - 574 pages
...as, 10, 100, 1000, etc. To the multiplicand annex as many ciphers as are in the multiplier, or remove the decimal point to the right as many places as there are ciphers in the multiplier. (Art 60, Note.) 1. 3 x 10 = 30. 17 x 100 = 1700. 2. 450 x 1000 = 450000....
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A Brief Course in Arithmetic: Oral and Written

Henry Bartlett Maglathlin - Arithmetic - 1882 - 212 pages
...the product, supply the deficiency by prefixing ciphers. 2. To multiply a decimal by 10, 100, &c., move the decimal point to the right as many places as there are ciphers in the multiplier. (Art. 86. ) 8. Find the product of 2.45 multiplied by 0.8. 9. Multiply 4.68...
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1001 Questions and Answers on Arithmetic

Benjamin Adams Hathaway - Arithmetic - 1885 - 190 pages
...the decimal number. 24. What is the shortest way to multiply a decimal by 10, 100, 1000, etc.? Remove the decimal point to the right as many places as there are ciphers in the multiplier ; thus, 1.25X100^125. 25. How are Decimals divided ' ? Divide as in whole...
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An Arithmetic for Preparatory Schools, High Schools, and Academies

Charles Austin Hobbs - Arithmetic - 1889 - 370 pages
...given denomination and the required denomination. In reducing from a higher to a lower denomination, move the decimal point to the right as many places as there are intervals in the table between the given denomination and the required denomination. In measures of...
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Arithmetic for High Schools, Academies, and Normal Schools

Oscar Lynn Kelso - Arithmetic - 1903 - 302 pages
...denomination by simply shifting the decimal point. In reducing from a higher to a lower denomination, move the decimal point to the right as many places as there are intervals between the given denomination and the required one. In reducing from a lower to a higher...
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The New Advanced Arithmetic

John Williston Cook, Nebraska C. Cropsey - Arithmetic - 1903 - 408 pages
...PRINCIPLES. 180. PRIN. 1. Any number may be multiplied by 1 with any number of 0'« annexed, by moving the decimal point to the right as many places as there are 0'g in the multiplier. Thus, 2.34 x 10 = 23.4 ; 2.34 x 100 = 234. 181. PRIN. 2. Any number may be divided...
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New Commercial Arithmetic

John Henry Moore - Business mathematics - 1904 - 404 pages
...thousandth, 1 hundredth. Hence, 299. To multiply a decimal by 1 followed by any number of ciphers, Move the decimal point to the right as many places as there are ciphers in the multiplier. 300. To multiply a number by .1, .01, .001, etc., is equivalent to dividing...
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California Education, Volume 2

Education - 1914 - 220 pages
...there are ciphers at the right of the multiplier. 3. To multiply by a number with ciphers annexed. Move the decimal point to the right as many places as there are ciphers at the right of the multiplier, then multiply by the remaining part of the multiplier. 4. To...
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Practical Applied Mathematics

Joseph Woodwell Ledwidge Hale - Mathematics - 1915 - 230 pages
...are ciphers in the divisor; thus, 387 H- 1000 = .387. In multiplying by 10 or any multiple of ten, move the decimal point to the right as many places as there are ciphers in the multiplier; thus, 4.326 X 100 = 432.6. PROBLEMS 17. If the weight of a certain size...
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Junior High School Mathematics, Book 2

George Wentworth, David Eugene Smith, Joseph Clifton Brown - Mathematics - 1917 - 264 pages
...first power of 10 ; 100 is the second power; and so on. 2. To multiply a decimal by a power of 10, move the decimal point to the right as many places as there are zeros in the multiplier, annexing zeros if necessary. For example, 100 x 0.134 = 13.4, and 1000 x 31.72 = 31,720. 3. To divide...
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