State the number of significant digits and the implied precision of the given number.212.2
A. 4 significant digits, precise to the nearest tenth
B. 1 significant digit, precise to the nearest tenth
C. 1 significant digit, precise to the nearest unit
D. 4 significant digits, precise to the nearest unit
Answer: A
Mathematics
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List the critical values of the related function. Then solve the inequality.
< 
A. - 
, 0; 
? (0, ?)
B. 
, - 
, 0, 
; 
? 
C. -7, 
, - 
, 0, 
; 
? 
? 
D. No critical values; (-?, ?)
Mathematics
Find a and b.If 2 < x < 9, then a < 1 - 2x < b.
A. a = -3, b = -17 B. a = 19, b = 5 C. a = 5, b = 19 D. a = -17, b = -3
Mathematics
Multiply.(-6x3y)(-6x6y4)
A. -36x9y4 B. 36x18y4 C. -12x9y4 D. 36x9y5
Mathematics
Use a calculator to find the function value to four decimal places.sec (0.54)
A. 0.8577 B. 0.5141 C. 0.5994 D. 1.1659
Mathematics