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Write the numeral as a Hindu-Arabic numeral.
ss?
A. 289
B. 279
C. 379
D. 299
**Weegy:** The Hindu-Arabic numerals were invented in India and thus called "Hindu numerals" by Persian mathematician Khowarizmi. They were later called "Arabic" numerals by Europeans, because they were introduced in the West by Arabs of North Africa (More)

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Asked 7/7/2012 10:48:04 AM

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Multiply using duplation and mediation.
731 × 54
A. 39,474
B. 39,464
C. 39,574
D. 39,484
**Weegy:** Method: First number is halved while the second number is doubled.
365.5 x 108 = 39,474
182.75 x 216 = 39,474
etc. (More)

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Asked 7/7/2012 10:53:58 AM

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Evaluate the expression. 15 + (-7) + (-3)
A. 11
B. 25
C. 5
D. 19
**Weegy:** (-3)+(5)+(-7) is -5 (More)

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Updated 2/19/2014 6:02:52 AM

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15 + (-7) + (-3) is C. 5

Added 2/19/2014 6:02:51 AM

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Express the number in decimal notation.
5.2 × 104
A. 5200
B. 208
C. 520,000
D. 52,000

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Updated 2/19/2014 6:03:32 AM

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5.2 × 10^4 is D. 52,000

Added 2/19/2014 6:03:32 AM

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Solve the equation for y. 7x - 3y = 4
A. y = x +
B. y = 7x - 4
C. y = x +
D. y = x -
**Weegy:** A.True (More)

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Updated 7/9/2012 1:33:37 AM

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