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Formula
Calculate the value
Answer
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$\left( - \dfrac{ 2 }{ 5 } \right) \times \left( + \dfrac{ 15 }{ 8 } \right)$
$- \dfrac { 3 } { 4 }$
Calculate the value
$\color{#FF6800}{ - } \dfrac { 2 } { 5 } \times \dfrac { 15 } { 8 }$
$ $ If you multiply negative numbers by odd numbers, move the (-) sign forward $ $
$\color{#FF6800}{ - } \left ( \dfrac { 2 } { 5 } \times \dfrac { 15 } { 8 } \right )$
$- \left ( \dfrac { \color{#FF6800}{ 2 } } { \color{#FF6800}{ 5 } } \times \dfrac { \color{#FF6800}{ 15 } } { \color{#FF6800}{ 8 } } \right )$
$ $ Reduce all denominators and numerators that can be reduced $ $
$- \left ( \dfrac { \color{#FF6800}{ 1 } } { \color{#FF6800}{ 1 } } \times \dfrac { \color{#FF6800}{ 3 } } { \color{#FF6800}{ 4 } } \right )$
$- \left ( \color{#FF6800}{ \dfrac { 1 } { 1 } } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 3 } { 4 } } \right )$
$ $ numerator multiply between numerator, and denominators multiply between denominators $ $
$- \color{#FF6800}{ \dfrac { 1 \times 3 } { 1 \times 4 } }$
$- \dfrac { \color{#FF6800}{ 1 } \times 3 } { 1 \times 4 }$
$ $ Multiplying any number by 1 does not change the value $ $
$- \dfrac { \color{#FF6800}{ 3 } } { 1 \times 4 }$
$- \dfrac { 3 } { \color{#FF6800}{ 1 } \times 4 }$
$ $ Multiplying any number by 1 does not change the value $ $
$- \dfrac { 3 } { \color{#FF6800}{ 4 } }$
Solution search results
search-thumbnail-$\left(\dfrac {2} {5}\right)^{3}$ $\div \dfrac {15} {8}$
7th-9th grade
Other
search-thumbnail-$s|ef\left(-1n$ $\left($ }\right)^{50}\ $\right)$ \ | | is\ equal\ to\ $S$ 
$s1S$ 
$S-1S$ 
$s2S$ 
$s50s$
7th-9th grade
Other
search-thumbnail-$8 \times $ 
$ = $ In $ \dfrac { E } { 8 } $ $ \left. \begin{array} { l } { \dfrac { 1 } { 3 } } \\ { \dfrac { 11 } { 3 } } \end{array} \right. $ $ \left. \begin{array} { l } { \dfrac { 1 } { 1 } } \\ { \dfrac { 1 } { 1 } } \end{array} \right. $ and $ \left. \begin{array} { l } { δ } \\ { 8 } \end{array} \right. $ 
Find the length of PR. $ \bar { I } $ 
$0$ 
$ \bar { u } $ 
$2$ $ = $ $ \| = $
7th-9th grade
Other
search-thumbnail-Which of the following rational numbers are 
equivalent? 
$0Ptionsy$ 
A \frac{5}{6}, \frac{30}{36} 
B $s\sqrt{rac\left(} -2\right)\left(3\right)\sqrt{1rac} \sqrt{4\right)16\right)4} $ 
C $s\sqrt{11aC\left(} -4\right)1-7b,\sqrt{1rac\left(16\sqrt{35\right)9} } $ 
D \frac{1}{2},\frac{3}{8}
7th-9th grade
Other
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