Write the number in standard form.The world-wide production of cereal grains has reached about one billion, nine hundred  million, four hundred six thousand, two hundred tons.

A. 1,962,406,020
B. 1,962,406,200
C. 1,962,6046,200
D. 1,962,460,200


Answer: B

Mathematics

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Find a parametrization for the line segment beginning at P1 and ending at P2.P1(4, 2, 2) and P2

A. x = -4+ 4, y = 2, z = + 2, 0 ? t ? 1
B. x = 4t, y = 2, z = + 3, 0 ? t ? 1
C. x = 4t, y = 2t, z = + 3, 0 ? t ? 1
D. x = -4+ 4, y = 2t, z = + 2, 0 ? t ? 1

Mathematics

Determine the values of x for which the function is continuous. If the function is not continuous, determine the reason.f(x) = 

A. Not continuous at x = 5; small change B. Not continuous at x = -5, 5; small change C. Continuous for all x D. Not continuous at x = -5; function not defined

Mathematics

Add.97 + (-44)

A. -53 B. 141 C. -141 D. 53

Mathematics

Find all real and imaginary solutions to the equation. -  + 1 = 0

A. {5, 3}
B.
C. {7, 5}
D. {3, 1}

Mathematics