MORRIS CALCULATE WITH
CONFIDENCE 7TH EDITION ALL
CHAPTER’S COVERED LATEST A+
GRADED
TEST BANK FOR DEBORAH GRAY MORRIS CALCULATE WITH CONFIDENCE 7TH EDITION
CHAPTER 1: ROMAN NUMERALS
1. Perform the indicated operation and record the result in lowercase Roman numerals.
7×2=7×2=
Options:
a. xiv
b. xvi
c. xii
d. xviii
Correct Answer: a. xiv
Rationale: 7×2=147×2=14. The Roman numeral for 14 is XIV (lowercase: xiv). X = 10, IV = 4, so XIV = 14.
2. Perform the indicated operation and record the result in lowercase Roman numerals.
29−1=29−1=
Options:
a. xxviii
b. xxix
c. xxvii
d. xxx
Correct Answer: a. xxviii
Rationale: 29−1=2829−1=28. The Roman numeral for 28 is XXVIII (lowercase: xxviii). XX = 20, VIII = 8, so
XXVIII = 28.
,3. Perform the indicated operation and record the result in lowercase Roman numerals.
3×10=3×10=
Options:
a. xx
b. xxx
c. xxxx
d. xxv
Correct Answer: b. xxx
Rationale: 3×10=303×10=30. The Roman numeral for 30 is XXX (lowercase: xxx). X = 10, so XXX = 30.
4. Perform the indicated operation and record the result in lowercase Roman numerals.
10+2=10+2=
Options:
a. xii
b. xiv
c. xi
d. xiii
Correct Answer: a. xii
Rationale: 10+2=1210+2=12. The Roman numeral for 12 is XII (lowercase: xii). X = 10, II = 2, so XII = 12.
5. Write the following Arabic number as a lowercase Roman numeral.
18=18=
Options:
a. xviii
b. xvii
c. xix
d. xvi
Correct Answer: a. xviii
Rationale: 18 = 10 + 5 + 3 = X + V + III = XVIII (lowercase: xviii).
,6. Write the following Arabic number as a lowercase Roman numeral.
21=21=
Options:
a. xxi
b. xxii
c. xx
d. xix
Correct Answer: a. xxi
Rationale: 21 = 20 + 1 = XX + I = XXI (lowercase: xxi).
7. Write the following Arabic number as a lowercase Roman numeral.
1112=1121=
Options:
a. xi ss
b. xii
c. xi
d. xis
Correct Answer: a. xi ss
Rationale: In Roman numeral notation for medication, 1221 is represented by "ss." Therefore, 11121121
= XI ss (lowercase: xi ss).
8. Perform the indicated operation and record the result in lowercase Roman numerals.
6×3=6×3=
Options:
a. xviii
b. xvii
c. xix
d. xx
Correct Answer: a. xviii
Rationale: 6×3=186×3=18. The Roman numeral for 18 is XVIII (lowercase: xviii).
, 9. Perform the indicated operation and record the result in lowercase Roman numerals.
30−6=30−6=
Options:
a. xxiv
b. xxiii
c. xxv
d. xxii
Correct Answer: a. xxiv
Rationale: 30−6=2430−6=24. The Roman numeral for 24 is XXIV (lowercase: xxiv). XX = 20, IV = 4, so XXIV
= 24.
10. Perform the indicated operation and record the result in lowercase Roman numerals.
12÷2=12÷2=
Options:
a. vi
b. vii
c. v
d. iv
Correct Answer: a. vi
Rationale: 12÷2=612÷2=6. The Roman numeral for 6 is VI (lowercase: vi).
11. Perform the indicated operation and record the result in lowercase Roman numerals.
13+7=13+7=
Options:
a. xx
b. xix
c. xxi
d. xviii
Correct Answer: a. xx
Rationale: 13+7=2013+7=20. The Roman numeral for 20 is XX (lowercase: xx).
CHAPTER 2: FRACTIONS