Question:
Tick (✓) the correct answer
Which of the following numbers is in standard form?
(a) $\frac{-12}{26}$
(b) $\frac{-49}{71}$
(c) $\frac{-9}{16}$
(d) $\frac{28}{-105}$
Solution:
(b) $\frac{-49}{71}$ and (c) $\frac{-9}{16}$
The numbers $\frac{-49}{71}$ and $\frac{-9}{16}$ are in the standard form because they have no common divisor other than 1 and their denominators are positive.
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