Write the number in scientific notation.7,859,000,000
A. 7.859 × 109
B. 785.9 × 107
C. 7859 × 106
D. 7.859 × 106
Answer: A
Mathematics
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Provide an appropriate response.Scientific notation is in the form a × 10n where n is an integer. What are the bounds on a?
Fill in the blank(s) with the appropriate word(s).
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Simplify the expression.2565/4
A. 1024 B. 262,144 C. 16,384 D. 65,536
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Solve the problem.Find the side length of a square with the same perimeter as a circle with radius 8 in. Use 3.14 for 
A. 6.28 in. B. 7.09 in. C. 12.56 in. D. 25.12 in.
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Simplify the product.2(5m + 7)
A. 5m + 14 B. 10m + 14 C. 70m D. 10m + 7
Mathematics