PLEASE HELP Choose all properties that were used to simplify the following problem:
2/7 . 53 . 7/2
53 . 2/7 . 7/2
53 . 1
53
~associative property of multiplication
~commutative property of addition
~associative property of addition
~distributive property
~multiplicative inverse
~commutative property of multiplication
~multiplicative identity

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Ответ:

xojade

16.07.2021

Mathematics

To multiply a rational number(fraction), you multiply across the numerators and denominators. For example: $\frac{A}{B}$ × $\frac{X}{Y}$ = $\frac{AX}{BY}$ or if $\frac{3}{5}$ × $\frac{3}{6}$ = $\frac{9}{30}$ which you need to reduce by 3 since it is a common multiple $\frac{9}{30} = \frac{3}{10}$

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