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. The Elements of Arithmetic - Page 89by Augustus De Morgan - 1830 - 136 pagesFull view - About this book
| Geography - 1867 - 964 pages
...the explanations given in Lesson XII., that to multiply a decimal by any power of 10, we need only move the decimal point as many places to the right as there are ciphers in the multiplier. For example : — •31567 x 100 is 31-567. For -34567 x 100 •= AVoVs x 100 = Vu'jV =... | |
| Charles Butler - Mathematics - 1814 - 540 pages
...multiplier is a whole number, consisting of an unit with ciphers subjoined. RULE. Remove the decimal mark as many places to the right as there are ciphers in the multiplier '. 9. Multiply 123.456Г by 10. Prod. 1234.567. 10. Multiply .98765 by 100. Prod. 98.765.... | |
| Dionysius Lardner - Arithmetic - 1834 - 378 pages
...ciphers, may be immediately converted into a decimal by writing down the numerator alone, and cutting oft' as many places to the right as there are ciphers in the denominator. This follows evidently from what lias been just stated. For example, let the fraction... | |
| Silas Totten - Algebra - 1836 - 360 pages
...Multiply 0,000031 by 5,000002. Ans. 0,000155000062. NOTE. — To multiply by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are O's in the 6* multiplier. Thus, 23467 x 10 = 234,67, 6,7234 x 100 = 672,34, and 5,71x1000 = 5710. DIVISION... | |
| Calvin Tracy - Arithmetic - 1840 - 316 pages
....0625, or 6J cts. Note. — To multiply a decimal by 10, 100, 1000, &c.., it is necessary only to remove the decimal point as many places to the right as there are cyphers in the multiplier. 13. Multiply 1.56 by 10. ^4»*. 15.6. 14. Multiply 36.541 by 100. Ans. 3654.1.... | |
| Wales Christopher Hotson - 1842 - 306 pages
...fractions being The multiplication of a decimal by a number of the form 1000... is performed by removing the decimal point as many places to the right as there are ciphers in the multiplier; for the local values of the figures increase ten -fold for every place the point is removed... | |
| Pliny Earle Chase - Arithmetic - 1844 - 246 pages
...the quotient, and you will obtain the dividend. To divide any number by 10, 100, 1000, fyc., remove the decimal point as many places to the right as there are zeroes in the divisor. When there are zeroes at the right hand of the divisor, cut them off, and remove... | |
| Pliny Earle Chase - 1844 - 258 pages
...other factor. The product by zero is always zero. To multiply any number by 10, 100, 1000, &c., remove the decimal point as many places to the right, as there are zeroes in the multiplier. When there are zeroes at the right hand of either, or both factors, perform... | |
| James Morrison (accountant.) - 1845 - 324 pages
...multiplicand for it. (6.) Q. How do you multiply by 10, 100, 1000, or the like ? A. I have only to remove the decimal point as many places to the right as there are ciphers in the multiplier, annexing ciphers, if necessary, to make up the number of places. (7.) Q. How do you multiply... | |
| Calvin Tracy - Arithmetic - 1845 - 298 pages
....0625, or 6£ cts. NOTE. — To multiply a decimal by 10, 100, 1000, &c., it is necessary only to remove the decimal point as many places to the right as there are ciphers in the multiplier. 13. Multiply 1.56 by 10. Ans. 15.6. 14. Multiply 36.541 by 100. Ans. 3654.1. 15. Multiply... | |
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