12five21five A323five 203five C 301five D 444five 77 110two1

12five-21five A)323five) 203five C) 301five D) 444five 77) 110two-111two A) 10,101,000two B) 101,009two C) 101,010two D) 1,010,100two 78) 44five + 4five A) 12five B) 5five C) 11five D) 2five 79) 122 5859 A) 120,000 B) 500,000 C) 1,000,000 D) 600,000 80) 804 + 18 A) 55 B) 40 C) 25 D) 30 81) David\'s company has to ship 3748 boxes of sprinklers. If a truck can hold 550 boxes, how many trucks does he need to ship all the boxes? A) 8 B) 6 C) 5 D) 7 82) Jane runs 22 miles a day. Without finding the exact answer, estimate the total number of miles jane runs in 56 days A) 1800 8) 3000 C) 1000 D) 1200 83) James\' drive from home to work is 32 miles one way. If in a month he goes to work 19 days, then how many miles does he drive going from home to work and back in one month? A)900 8) 1500 C) 1750 D) 1200 84) A mobile library has 1029 books in its collection. If there are 21 shelves in the library, then how many books, on average, are stacked on each shelf? A) 55 B) 46 C)50 D) 60

Solution

76. 302five

77. 101010two

78. 11five

79. 60000

80. 40

81. 7.

82. 1200

83. 1200

84. 50