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 Βιβλία Βιβλία ... place. In multiplying a decimal fraction by an integer, there are as many decimal places in the product as there are in the multiplicand. Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ... - Σελίδα 191
των Warren Colburn - 1834 - 245 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Arithmetic: Being a Sequel to First Lessons in Arithmetic

Warren Colburn - 1824 - 267 σελίδες
...times too large or ten times too small.-^/The purpose of this article and the next is to show^where the point must be placed in multiplying and dividing....is, 3 hundredths and 5 thousandths. .Reserving the hundred ths, I write the 5 thousandths. Then 7 times 7 hundredths are 49 hundredths, and 3 (which I... ## The Improved Arithmetic: Newly Arranged and Clearly Illustrated, Both ...

Daniel Parker - 1828 - 348 σελίδες
...are multiplied by parts, the product necessarily is but parts of apart. It is hence clearly seen, why there must be as many decimal places in the product as there are in loth the factors. L 2 For the decimal places in both the factors, are respectively involved into each... ## Practical and Mental Arithmetic, on a New Plan: In which Mental Arithmetic ...

Roswell Chamberlain Smith - 1831 - 268 σελίδες
...3£.8s. 3d. 3,4125 20 3,2500 12 It will Ъг recollected by the pupil in pointing off) that títere must be as many decimal places in the product^ as there are decimal places tit Iwtk multiplier and multiplicand. 3,0000 From these illustrations we derive the... ## The Common School Arithmetic: Prepared for the Use of Academies and Common ...

Charles Davies - 1833 - 270 σελίδες
...the quotient will produce the dividend. But when decimal fractions are multiplied together there will be as many decimal places in the product as there are in the multiplier and multiplicand § 167. Therefore the dividend must contain as many decimal places as the... ## The elements of algebra

James Wood - 1857
...multiplication, viz. Multiply as in rvhole numbers, taking no notice of the decimal points, and point off' as many decimal places in the product as there are in the multiplicand and multiplier together. To prove the Rule for Division; Let the dividend be made to have, if it has... ## Arithmetic

Charles Elsee - 1866 - 275 σελίδες
...17-8946— 30-254— -5 + 21-12. 37. — Multiplication. BULB. Multiply as in integers ; and mark off as many decimal places in the product as there are in the multiplier and multiplicand together. Ex. (1) Multiply 1-394 by 2-71 i'394 2-71 1394 9758 2788 377774... ## Common School Arithmetic on the Analytic System: With an Appendix of the ...

Shelton P. Sanford - 1872 - 373 σελίδες
...order that the product might be ten-thousandths. These examples make it clear that there will always be as many decimal places in the product as there are in the multi plicand and multiplier counted together. Hence the RULE. Multiply as in whole numbers, and in... ## Elementary Arithmetic, Oral and Written

William Guy Peck - 1878 - 232 σελίδες
...Since tenths multiplied by hundredths give thousandths, .5 x .09 = .045. PRINCIPLE. — There will be as many decimal places in the product as there are in the factors. RULE. Multiply as in integers, and point off from the right of the product, as many decimal... ## Bradbury's Eaton's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - 1879 - 374 σελίδες
...under tlie figure of the m/ultiplier which produces it. 3. Add these partial products and point off as many decimal places in the product as there are in the multiplicand, and the result will be the true product. 62. PBOOF. Multiply the multiplier by the multiplicand, and,... ## Second Book in Arithmetic: Comprising Four Years of Oral and Written Work in ...

1882 - 380 σελίδες
...136. The methods of written work in multiplication of decimals are based upon the following PRINCIPLE. There must be as many decimal places in the product as there are in both factors. Ex. 1. The factors are .24 and 39. What is the product? EXPLANATION.—I write the FIRST...