Simplify using scientific notation. Give your answer in scientific notation.
A. -5.18 × 10-10
B. -2.59 × 10-10
C. -5.18 × 10-4
D. -2.59 × 10-4
Answer: B
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Write in logarithmic form.10-4 = 0.0001
A. log10
= 0.0001
B. log40.
= -4
C. log4-4 = 0.10
D. log10
= -4
Two formulas that approximate the dosage of a drug prescribed for children are: Young's Rule: C = 
and Cowling's Rule: C = 
.In each formula, A = the child's age in years, D = an adult dosage, and C = the proper child's dosage. The formulas apply for ages 2 through 13. Use these formulas to solve the problem.Use Young's Rule to find the difference in a child's dosage for an 8-year-old child and a 4-year-old child. Express the answer as a single rational (or fractional) expression in terms of D.
A. 
D
B. 
D
C. 
D
D. 14D
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
x3 + 
x3
Convert to radian measure. Round to two decimal places.94.9°
A. 1.67 B. 1.62 C. 1.61 D. 1.66