3 years ago

Write an expression that equals 40.include an exponent

Mathematics

1 answer:

sdas [7]3 years ago

8 0

10'2 X2

20X2

.......................

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$\Large \text {Answer:}$

$\large \boxed {\dfrac{23}{40}}$

$\Large \text {Step-by-step explanation:}$

$\text{P}_{B}(r) = \text{P}_{A}(r) \cdot \text{P}_{B}(r) + \text{P}_{A}(w) \cdot \text{P}_{B}(r)$

$\text{P}_{B}(r) = \left (\dfrac{3}{5} \right ) \negthickspace \left(\dfrac{5}{8}\right ) + \left (\dfrac{2}{5} \right ) \negthickspace \left (\dfrac{4}{8} \right )$

$\text{P}_{B}(r) = \dfrac{23}{40}$

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can you also please mark me as brainliest?

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4 years ago

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hichkok12 [17]

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Step-by-step explanation: