| James Charles Byrnes, Julia Richman, John Storm Roberts - Arithmetic - 1913
...25.625 x 800 = 2562.5 x 8 = 20,500. 25.625 x 80,000 = 256,250 x 8 = 2,050,000. point in the multiplicand **as many places to the right as there are ciphers in the multiplier** and multiply by the significant * figures of the multiplier. EXERCISES 28. i. Multiply by 20: 16.50;... | |
| George E. Mercer, Mabel Bonsall - Arithmetic - 1914
...51. Oral. 10 x.2865 = 2.865 1000 x .2865 = 286.5 To multiply a number by 10, 100, 1000, etc., move **the decimal point as many places to the right as there are ciphers in the multiplier.** Annex ciphers if necessary. 1. 10 x .046 6. 1000 x 24.67 11. 100 x 4.56 2. 100x1.007 7. 1000 x. 0051... | |
| Florian Cajori - Arithmetic - 1915 - 437 pages
...one place to the right. To multiply a decimal by 10, 100, 1000, etc., it is only necessary to move **the decimal point as many places to the right as there are ciphers in** multiplier. 2. Multiply 462.5 by .01. PROCESS EXPLANATION. — In this exercise it is 462.5 necessary... | |
| Florian Cajori - 1915
...one place to the right. To multiply a decimal by 10, 100, 1000, etc., it is only necessary to move **the decimal point as many places to the right as there are ciphers in** multiplier. 2. Multiply 462.5 by .01. PROCESS EXPLANATION. — In this exercise it is 462.5 necessary... | |
| Lewis Elhuff - Science - 1916 - 433 pages
...principles are derived : Principles. — 1. A number is reduced to a lower denomination by removing **the decimal point as many places to the right as there are ciphers in the multiplier.** 2. A number is reduced to a higher denomination by removing the decimal point as many places to the... | |
| Harry Anson Finney, Joseph Clifton Brown - Business mathematics - 1916 - 298 pages
...Examples. 1. 37 x 10 = 370. 2. 29 x 100 = 2900. b. When the multiplicand is a decimal fraction. Move **the decimal point as many places to the right as there are** zeros in the multiplier. It may be necessary to annex zeros in order to move the decimal point the... | |
| Edson Homer Taylor - Mathematics - 1919
...powers of 10 the pupils should use the following rules : To multiply a number by a power of 10 move **the decimal point as many places to the right as there are** zeros in the multiplier. To divide a number by a power of 10 move the decimal point as many places... | |
| Eugene Herz - Arithmetic - 1920
...1,435,320. 1,435,320.0 Following the same plan, to multiply by a multiple of 100, 1,000, etc., we move **the decimal point as many places to the right as there are ciphers in the** ending of the multiplier, then we complete the multiplication. Exercise 9 — Oral. Multiply : 1. 4,687.9... | |
| Charles Ernest Chadsey, James Hamblin Smith - Arithmetic - 1920
...see that in multiplying by ten or any number which is a product of tens (as 100, 1000, etc.), we move **the decimal point as many places to the right as there are** zeros in the multiplier. Multiply each of the following numbers by 10, by 100, by 1000, without using... | |
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