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To divide by 10, 100, 1000, etc., it is necessary only to move the decimal point in the dividend as many places to the left as there are ciphers in the divisor.
Fish's Arithmetic Number Two: Oral and Written, Upon the Inductive Method - Page 125
by Daniel W. Fish - 1883 - 352 pages

The Theoretical and Practical Systematic Arithmetic; Or, Arithmetic Arranged ...

David Henry Cruttenden - Arithmetic - 1853 - 330 pages
...remainders as if added to the dividend. If the divisor be 10 or 100, etc., simply removing the point as many places to the left, as there are ciphers in the divisor, completes the division. (See Case V., Remark.) 17. Divide .192816 by .312. Ans. .618. 18. Divide 1.28...

The practice and theory of arithmetic

William Frederick Greenfield - 1853 - 228 pages
...the point, then (Cor. 1 Prop. 37) ciphers must be supplied. Hence the Rule : remove the decimal point as many places to the left as there are ciphers in the denominator, supplying ciphers if necessary. Prop 41. — To prove the Rule for Multiplication of Decimals....

An Elementary Arithmetic Designed for Academies and Schools: Also Serving as ...

George Roberts Perkins - Arithmetic - 1855 - 388 pages
...2-223+. 57. We may, obviously, divide any decimal by 10, 100, 1000, &c., by removing the decimal point as many •places to the left as there are ciphers in the divisor ; when there are not so many figures at the left of the decimal point, we may prefix ciphers. 10 100...

The American Philosophical Arithmetic: Designed for the Use of Advanced ...

John Fair Stoddard - Arithmetic - 1856 - 312 pages
...2448 by '012 ART. 152. A decimal may be divided by 10, 100, 1000, &c., by removing the decimal point as many places to the left as there are ciphers in the divisor. If necessary, prefix ciphers to the dividend. f4'36 1 Divide ;3o:42; \ by w. [ 431-2 J T 146-34 T Divide...

Practical Arithmetic, by Induction and Analysis

Joseph Ray - Arithmetic - 1857 - 348 pages
...1.5-5-. 7 , Ans. 2.142857+ *ART. 184. To divide a Decimal by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor : And, if there are not so many figures on the left of the point, supply the deficiency by prefixing...

The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1857 - 452 pages
...CONTRACTIONS IN DIVISION OF DECIMALS. 275. To divide a decimal by 10, 100, 1000, &c. Remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers. Thus, 2.15 -r- 10 = .215 ; and 1.9...

Introduction to The National Arithmetic: On the Inductive System : Combining ...

Benjamin Greenleaf - Arithmetic - 1857 - 336 pages
...NOTE 3. — When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers. Thus 1.25 -=- 10 = .125 ; and 1.7...

The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1858 - 458 pages
...CONTRACTIONS IN DIVISION OF DECIMALS. 275. To divide a decimal by 10, 100, 1000, &c. Remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers. Thus, 2.15 •— 10 = .215 ; and...

The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1858 - 456 pages
...CONTRACTIONS IN DIVISION OF DECIMALS. 275. To divide a decimal by 10, 100, 1000, &c. Remove the decimal point as many places to the left, as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers. Thus, 2.15 -4- 10 = .215 ; and 1.9...

Introduction to The National Arithmetic: On the Inductive System Combining ...

Benjamin Greenleaf - Arithmetic - 1858 - 332 pages
...NOTE 3. — When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers. Thus 1.25 -f- 10 = .125 ; and 1.7...