Perform the indicated operation
Mathematics
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Express 1,678,490 in scientific notation (3 significant figures).
a. 1.68 ð 103 b. 1.68 ð 104 c. 1.68 ð 105 d. 1.68 ð 106 e. 1.68 ð 107
Mathematics
Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Mathematics
Solve the inequality analytically, writing the solution set in interval notation.-7 < 5x + 3 ? 13
A. [-2, 2] B. [-2, 2) C. (-2, 2] D. (-2, 2)
Mathematics
Find the value of the determinant.
A. 19 B. -9 C. 21 D. -21
Mathematics