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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. "
A Complete Arithmetic: Oral and Written ; Part First-second - Σελίδα 79
των Malcolm MacVicar - 1878
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Business Arithmetic

John Edward King - 1891 - 254 σελίδες
...needed to obtain the required number. Any decimal may be multiplied by 10, 100, 1000, etc., by removing the decimal point in the multiplicand as many places...the right as there are ciphers in the multiplier. EXAMPLES. 222. Multiply 1. .75 by .5. 8. .17 by .8. 3. .62 by .12. £ .142 by .14. 5. 1.625 by .19....

The Crittenden Commercial Arithmetic and Business Manual ...

John Groesbeck - 1891 - 426 σελίδες
...ciphers to supply the deficiency. Note. — To multiply by 10, 100, 1000, etc., remove the decimal point as many places to the right as there are ciphers in the multiplier, annexing ciphers when necessary. EXAMPLES. 1. Multiply .5 by .75. 2. Multiply .435 by .02. Ans. .00870. 3. Multiply 2.48 by 10. Ans....

The New Model Arithmetic

Henry Holmes Belfield - 1891 - 362 σελίδες
...8.456 ; 60 is 10 times 6, and 100 times .6 Hence, to multiply a number by 10, 100, 1000, etc. : Remove the decimal point in the multiplicand as many places to the right, annexing ciphers when necessary, as there are ciphers in the multiplier. 150. In accordance with the...

A Grammar School Arithmetic

George Albert Wentworth - 1892 - 360 σελίδες
...is diminished ten-fold. Hence, To multiply a decimal by 10, 100, 1000, etc., we have only to ïnove the decimal point in the multiplicand as many places to the right, annexing zeros if necessary, as there are zeros in the multiplier. To divide a decimal by 10, 100,...

A Business Arithmetic

1893 - 252 σελίδες
...needed to obtain the required number. Any decimal may be multiplied by 10, 100, 1000, etc., by removing the decimal point in the multiplicand as many places...the right as there are ciphers in the multiplier. 222. Multiply 1, .75 by .5. 2. .17 by .8. 3. .62 by .12. 4, .142 by .14. 9. 1.86£ by ,46f. 10. $75.12...

An Elementary Arithmetic: With Oral and Written Exercises

George Washington Hull - 1894 - 204 σελίδες
...From this example we see that multiplying a decimal by 10, 100, 1000, etc., Remove3 the decimal point as many places to the right as there are ciphers in the multiplier. 17. Multiply 6.7854 by 10 ; by 100 ; by 1000 ; by 10000. 18. Multiply .3141 by 10 ; by 100 ; by 1000...

New Practical Arithmetic: In which the Science and Its Applications are ...

Henry B. Maglathlin - 1894 - 370 σελίδες
...decimal point. For, multiplying by 10, 100, etc., has the same effect as removing the decimal point as many places to the right as there are ciphers in the multiplier (Art. 30). 4. In $162 how many mills ? Ans. 162000 mills. 5. In $1.62 how many cents ? Ans. 162 cents....

Bradbury's New Elementary Arithmetic: Comprising Oral and Written Work

William Frothingham Bradbury - 1895 - 200 σελίδες
...to multiply by 10, 100, 1000, or 1 with any number of ciphers annexed, Bule. Move the decimal point as many places to the right as there are ciphers in the multiplier. NOTE. If Ihere are not as many decimal placee in the multiplicand as ciphers in the multiplier, in...

Bradbury's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - 1895 - 398 σελίδες
...to multiply by 10, 100, 1000, or 1 with any number of ciphers annexed, Rule. Move the decimal point as many places to the right as there are ciphers in the multiplier. NOTE. If there are not as many decimal places in the multiplicand as ciphers in the multiplier, in...

A Practical Arithmetic

George Albert Wentworth - 1896 - 490 σελίδες
...as multiplying the number by 0.01, and so on. Hence, 97. To multiply a decimal by oj, o.oj, o.ooj, etc., Move the decimal point in the multiplicand as many places to the left, prefixing seros if necessary, as there are decimal places in the multiplier. 98. 1. Multiply...




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