List all the factors of the number.42
A. 1, 2, 3, 6, 7, 14, 21, 42
B. 1, 7, 6, 42
C. 7, 6, 14, 42
D. 1, 2, 3, 6, 7, 14, 28, 42
Answer: A
Mathematics
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Write the expression in exponent form.(x)(x)(x)(x)(x)(x)(x)(x)
A. 8 B. x8 C. 8x D. 8x
Mathematics
Write as ordinary numbers.1.455 × 10-5
A. 0.0001455 B. 0.000001455 C. -145,500 D. 0.00001455
Mathematics
Use an integer or rational number to express the number representing change.Mr. Voss decreased his speed by 8 miles per hour.
A. 8 B. -8
Mathematics
A survey showed that students had these preferences for instructional materials. Use the graph to answer the question.
About how many students would you expect to prefer computers in a school of 450 students?
A. About 90 students B. About 162 students C. About 36 students D. About 81 students
Mathematics