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The digits of a 2 digit number are multiplied. The digits of the product are multiplied, and this process is repeated till the product is a single digit number. For e.g. 98 9'8=72,72=14,1'4 4. How many of the 2 digit numbers (10 to 99) will end up in a prime number (2,3,5,7)7 O 20 0 18 16 14

The digits of a 2 digit number are multiplied. The digits of the product are multiplied, and this process is repeated till the product is a single digit number. For e.g. 98 9'8=72,72=14,1'4 4. How many of the 2 digit numbers (10 to 99) will end up in a prime number (2,3,5,7)7 O 20 0 18 16 14

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section11.8: Adding And Subtracting Radicals
Problem 5E
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The digits of a 2 digit number are multiplied. The digits of the product are multiplied, and this 989*8=72,72=14,1'4 process is repeated till the product is a single digit number. For e.g. =4. How many of the 2 digit numbers (10 to 99) will end up in a prime number (2,3,5,7)? O 20 0 18 16 14
Transcribed Image Text:The digits of a 2 digit number are multiplied. The digits of the product are multiplied, and this 989*8=72,72=14,1'4 process is repeated till the product is a single digit number. For e.g. =4. How many of the 2 digit numbers (10 to 99) will end up in a prime number (2,3,5,7)? O 20 0 18 16 14
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