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 Βιβλία Βιβλία It is evident from what we have seen in adding and subtracting decimals, that in this case there must be as many decimal places in the product, as there are in the multiplicand. It may perhaps be more satisfactory if we analyze it. Arithmetic: Being a Sequel to First Lessons in Arithmetic - Σελίδα 213
των Warren Colburn - 1824 - 267 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ...

Warren Colburn - 1826 - 245 σελίδες
...ten 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 hundredths, 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... ## Arithmetic Upon the Inductive Method of Instruction ...: Stereotyped at the ...

Warren Colburn - 1829
...ten 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 hundredths, I write the 5 thousandths. Then 7 times 7 hundredths are 49 hundredths, and 3 (which I... ## Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ...

Warren Colburn - 1831 - 245 σελίδες
...the 'next is to show where the point must be placed in multiplying and dividing. In the above ev.mple there are decimals in the multiplicand, but none in...is, 3 hundredths and 5 thousandths. Reserving the hundredth.?, I write the 5 thousandths. Then 7 times 7 hundredths are 49 hundredths, and 3 (which I... ## 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... ## Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ...

Warren Colburn - 1836 - 245 σελίδες
...ten 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....times 5 thousandths are 35 thousandths, that is, 3 hutidredths and 5 thousandths. Reserving the hundredths, I write the 5 thousandths. Then 7 times 7... ## 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...