Simplify and write the answer using scientific notation.6.3 × 1016 + 7.6 × 1016
A. 1.39 × 1032
B. 4.788 × 1017
C. 1.39 × 1016
D. 1.39 × 1017
Answer: D
Mathematics
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Use a calculator to find the sum. Round the result to two decimal places.687.92 + (-80.91)
A. -607.01 B. 768.83 C. 607.01 D. 607.92
Mathematics
Find each product. Write the result in the form a + bi.(7 - 5i)(6 + 7i)
A. -35i2 + 19i + 42 B. 77 - 19i C. 77 + 19i D. 7 - 79i
Mathematics
Find the standard equation of the circle that satisfies the conditions.Center (3, 0), radius 9
A. (x + 3)2 + y2 = 81 B. x2 + (y - 3)2 = 9 C. x2 + (y + 3)2 = 9 D. (x - 3)2 + y2 = 81
Mathematics
Convert the given number to standard notation.3.38 × 104
A. 338,000 B. 3380 C. 135.2 D. 33,800
Mathematics