Use a calculator to find tan 143.8°.
?
Please round the answer to the nearest ten-thousandth.
Fill in the blank(s) with the appropriate word(s).
–0.7319
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Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 2.5 × 10-16 cubic meters. If the earth could be filled with bacteria, how many would it contain?
A. 5.0 × 1031 bacteria B. 2.0 × 10-30 bacteria C. 5.0 × 10-31 bacteria D. 2.0 × 1030 bacteria
Solve the problem.Find sin (?), given that cos (?) = 
and ? in quadrant IV.
A. - 
B. - 
C. - 
D. - 
Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.a + 1 + 
+ . . . +
A. 
B. 
C. 
D. 
Solve the problem.The matrices show points and rebounds for five starting basketball players in two games. Find the matrix that gives the totals.
A. 
B. 
C. 
D. 