Page 33 - Mathematics of Business and Finance

Chapter 1 | Review of Basic Arithmetic 13

Rounding Cash Transactions to the Nearest Five Cents in Canada 7. Write the following in (i) standard form and (ii) expanded form:

Canada discontinued the circulation of pennies (1 cent coin) in February 2013. For cash transactions, a. Sixty-five thousand, two hundred forty-four and thirty-four hundredths
businesses round the final sale amount either up or down to the nearest five-cent increment (to the b. Eight hundred thirty-three thousand, six hundred forty-one and eighty-two hundredths
nearest nickel). c. Twenty-three and twenty-five thousandths
Examples of rounding cash transactions to the nearest five cents: d. Seven and four tenths

Rounding Up or Down 8. Write the following in (i) standard form and (ii) expanded form:
Final Sale Amount Cash Payment Amount
to the Nearest 5 cents
a. Nine hundred fifty thousand, six hundred fifty and five hundredths
$15.31 or $15.32 Round down $15.30
b. Eighty-nine million, six hundred thirteen thousand, five hundred twenty-two and thirteen hundredths
$16.43 or $16.44 Round up $16.45 c. Two hundred and two hundredths
$18.56 or $18.57 Round down $18.55 d. Eighty-seven and five tenths

$19.98 or $19.19 Round up $20.00 For Problems 9 and 10, express the given numbers in decimal notation.
123
7
Note: Payments made by debit, credit cards, and cheques or online do not change and are settled to the 9. a. 7 b. 12 100 c. 13 1000 d. 3
exact amount. 10 100
297
9
10. a. 3 b. 17 100 c. 15 1000 d. 7
1.1 Exercises Answers to the odd-numbered problems are available at the end of the textbook. 10 1000
READING AND WRITING DECIMAL NUMBERS
READING AND WRITING WHOLE NUMBERS 11. Express the following decimal numbers in their word form:
1. Write the following numbers in (i) expanded form and (ii) word form: a. 2.4 b. 0.91 c. 0.073 d. 1.002
a. 9,807 b. 32,045 c. 9,265,335 d. 30,673,984
12. Express the following decimal numbers in their word form:
2. Write the following numbers in (i) expanded form and (ii) word form: a. 6.7 b. 0.45 c. 0.034 d. 1.006
a. 7,061 b. 40,318 c. 5,249,346 d. 95,275,385 ROUNDING WHOLE NUMBERS AND DECIMAL NUMBERS

3. Write the following in (i) standard form and (ii) expanded form: 13. Round the values to the indicated place values:
a. Twelve million, four hundred fifty-two thousand, eight hundred thirty-two Number/Amount Nearest ten Nearest hundred Nearest thousand Nearest ten thousand
b. Thirty-two million, six hundred eighty-four thousand, two hundred fifty-six 20,695
c. Three-quarters of a million 499,609
$893,595
d. Half of a billion
$9,331,921
4. Write the following in (i) standard form and (ii) expanded form:
14. Round the values to the indicated place values:
a. Sixteen million, two hundred seventeen thousand, five hundred sixty-seven Number/Amount Nearest ten Nearest hundred Nearest thousand Nearest ten thousand
b. Sixty-five thousand, eight hundred fifty-six 65,755
c. One-quarter of a billion 96,851

d. Half of a million $692,905
PLACE VALUE OF DECIMAL NUMBERS $8,986,159
5. Write the following numbers in (i) expanded form and (ii) word form: 15. Round the values to the indicated place values:
Number/Amount Nearest tenth Nearest hundredth Nearest thousandth Nearest ten thousandth
a. 9.07 b. 0.053 c. 0.59 d. 51.002
869.51952
6. Write the following numbers in (i) expanded form and (ii) word form: 134.98616
a. 0.35 b. 0.067 c. 41.08 d. 19.006 $99.52592
$19.85259