 | Geography - 1867 - 964 pages
...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 = 34-567. Similarly,... | |
 | Isaac Dalby - Mathematics - 1807 - 476 pages
...Product 6420-000. Therefore multiplying by 10, 100, 1000, &c. is only removing the decimal point so many places to the right as there are ciphers in the multiplier. Thus S2-1 multiplied by 10 is SJ I ; 4 '4 multiplied by 1000 is 4400, &c. 64. There is a method of... | |
 | 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. 11. Multiply... | |
 | Thomas Conkling (W.) - Arithmetic - 1831 - 302 pages
...number equal. NoTE — To multiply decimals by 10, 100, 1000, &c. remove the point in multiplicand so many places to the right, as there are ciphers in the multiplier. EXAMPLE FOR ILLUSTRATION. 1. Multiply 3895.62 by 12.8 Ans. 49863.936 3895.62 I placed the question... | |
 | Wales Christopher Hotson - 1842 - 306 pages
...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 to the... | |
 | James Morrison (accountant.) - 1845 - 324 pages
...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 decimals,... | |
 | Calvin Tracy - Arithmetic - 1845 - 298 pages
...— 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 .42 by 100.... | |
 | Horatio Nelson Robinson - Arithmetic - 1845 - 310 pages
...quills cost ? Am. $1.80. To multiply decimals by 10, 100, 1000, <S/-c., remove the decimal paint as many places to the right as there, are ciphers in the multiplier^ agreeably to Article 13. Removing the decimal point one figure to the right increases every figure... | |
 | George Roberts Perkins - Arithmetic - 1846 - 266 pages
...688.1875. 36. A decimal number maybe multiplied by 10, 100, 1000, &c., by removing the decimal point as many places to the right as there are ciphers in the multiplier ; and if there are not so many figures, make up the deficiency by annexing ciphers. 121.2 1212. 12120.... | |
 | William Vogdes - Arithmetic - 1847 - 324 pages
...deficiency by prefixing ciphers. 3. To multiply by 10, 100, 1000, &c., we only have to remove the point as many places to the right, as there are ciphers in the multiplier. The reason of pointing off as many decimal places in the product, as there are in both factors, is... | |
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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. 
