Write the whole number in standard form.Six hundred thirty-eight thousand, nine hundred ninety-seven

A. 638,977
B. 638,997
C. 638,997,000
D. 638,000


Answer: B

Mathematics

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Write a numerical expression for the phrase and simplify it.The product of 3 and -2, added to -4

A. (-4)(-2) + 3; 11 B. (-4) + (3)(-2); -10 C. (-4)(-2)(3); 24 D. (-4 + 3)(-2); 2

Mathematics

Indicate whether the equation is conditional, an identity, or a contradiction.7x = 7x

A. contradiction B. identity C. conditional

Mathematics

Answer the question.A long-distance runner runs 5 miles south and then 7 miles east. How far is the runner from the starting point? Express the answer as a simplified radical if the radicand is not a perfect square.

A.  mi
B. 2 mi
C. 2 mi
D. 5 mi

Mathematics

Simplify.

A.
B.
C.
D.

Mathematics