Write 0.0023 in scientific notation.
A. 2.3 × 10-3
B. 23 × 10
C. 2.3 × 103
D. 0.23 × 10-2
Answer: A
Mathematics
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Multiply or divide as indicated.
A. -8i B. -8 C. 8i D. 8
Mathematics
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(-5x3)-1
A. - 
B. - 
C. 
D. 
Mathematics
Use the circle graph to solve the problem.The circle graph below gives the number of students in the residence halls at the state university.
Write the ratio as a fraction in lowest terms of the number of residents at Dodge to the number of students at Carver.
A. 
B. 
C. 
D. 
Mathematics
Write the system of equations associated with the augmented matrix. Do not solve.
A. x = 1 y = 1 B. x = -4 y = -5 C. x = 4 y = 5 D. x = 0 y = 0
Mathematics