Express the number in scientific notation.870,000
A. 8.7 × 105
B. 8.7 × 104
C. 8.7 × 10-4
D. 8.7 × 10-5
Answer: A
Mathematics
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The terminal side of angle ? in standard position lies on the given line in the given quadrant. Find sin ?, cos ?, and tan ?.
; quadrant III
A. sin ? = 
;
cos ? = -4;
tan ? = - 
B. sin ? = - 
;
cos ? = - 
;
tan ? = 
C. sin ? = - 
;
cos ? = 
;
tan ? = - 
D. sin ? = - 
;
cos ? = - 
;
tan ? = 4
Mathematics
Solve the equation.
= 
A. 
, - 
B. No solution
C. - 
D. - 
, 
Mathematics
Identify the number as prime, composite, or unit.198
A. Unit B. Composite C. Prime
Mathematics
Graph the function.f(x) = 4x
A. 
B. 
C. 
D. 
Mathematics