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Fundamentals of Mathematics, 2008a

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81<br />

Solution to Exercise 1.5.4 (p. 34)<br />

87<br />

= 7 tens + 1 ten + 7 ones<br />

= 8 tens + 7 ones<br />

= 87<br />

Solution to Exercise 1.5.5 (p. 34)<br />

561<br />

= 4 hundreds + 15 tens + 1 ten + 1 one<br />

= 4 hundreds + 16 tens + 1 one<br />

= 4 hundreds + 1 hundred + 6 tens + 1 one<br />

= 5 hundreds + 6 tens + 1 one<br />

Solution to Exercise 1.5.6 (p. 34)<br />

115<br />

= 561<br />

= 10 tens + 1 ten + 5 ones<br />

= 11 tens + 5 ones<br />

= 1 hundred + 1 ten + 5 ones<br />

= 115<br />

Solution to Exercise 1.5.7 (p. 34)<br />

153,525<br />

Solution to Exercise 1.5.8 (p. 34)<br />

167<br />

Solution to Exercise 1.5.9 (p. 35)<br />

2,468<br />

Solution to Exercise 1.5.10 (p. 35)<br />

434,826<br />

Solution to Exercise 1.5.11 (p. 36)<br />

155<br />

Solution to Exercise 1.5.12 (p. 36)<br />

19,750<br />

Solution to Exercise 1.5.13 (p. 36)<br />

30,682<br />

Solution to Exercise 1.5.14 (p. 36)<br />

19<br />

Solution to Exercise 1.5.16 (p. 36)<br />

48<br />

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