324 × 24 = 7776. What will 7.776 ÷ 2.4 be equal to?
3.24
Since \(324\times24=7776\), note that \(7.776 = \tfrac{7776}{1000}\) and \(2.4 = \tfrac{24}{10}\).
\(\dfrac{7.776}{2.4} = \dfrac{7776/1000}{24/10} = \dfrac{7776}{24}\times\dfrac{10}{1000} = 324\times0.01 = 3.24\).
Hence, 7.776 ÷ 2.4 equals 3.24.
Simplify the given expression.
$9 \times 0.9 \times 0.09 \times 0.009 \times \frac{1}{0.3} \times \frac{1}{0.03} \times \frac{1}{0.003}$
Arrange the following numbers in their increasing order.
(1) $-0.96$
(2) $0.83$
(3) $0.24$
(4) $-0.64$
(5) $0.58$
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