Write the number in scientific notation.7543
A. 7.543 x 10-3
B. 7.543 x 103
C. 7.543 x 101
D. 7.543 x 104
Answer: B
Mathematics
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Solve the inequality graphically. Express the solution in set-builder notation.
< - 4
A. {
x > 28}
B. {
x < - 4}
C. {
x > - 2}
D. {
x > 14}
Mathematics
Solve the problem.Parts for an automobile repair cost $527. The mechanic charges $31 per hour. If you receive an estimate for at least $713 and at most $837 for fixing the car, what is the time interval that the mechanic will be working on the job?
A. 1 ? t ? 10 B. 23 ? t ? 27 C. 6 ? t ? 10 D. 1 ? t ? 6
Mathematics
Factor completely.x4 + 4x3 - 77x2
A. x2(x + 11)(x - 7) B. x2(x - 11)(x + 7) C. (x3 + 7)(x - 11) D. (x3 + 11)(x - 7)
Mathematics
Solve the equation. Give an exact solution.ln(5x - 2) = ln 12 - ln(x - 6)
A. no solution
B. 
C. 0, 
D. 6, 
Mathematics