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taurus [48]
3 years ago
10

What is the sum (2x10^16) +(7x10^16) = in scientific notation? Please help

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0

Answer:

What is the sum (2x10^16) +(7x10^16) = in scientific notation?

using bodmas

20¹⁶+ 70¹⁶=90¹⁶

Step-by-step explanation:

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The product of two rational numbers is (-28/81). If one of them is (-2/3), the find the other.
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Answer:

The other rational number is \dfrac{14}{27}.

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First rational number is \dfrac{-2}{3}

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According to question,

\dfrac{x}{y}\times \dfrac{-2}{3}=\dfrac{-28}{81}

Multiplying both sides by (-3/2) such that,

\dfrac{x}{y}\times \dfrac{-2}{3}\times \dfrac{-3}{2}=\dfrac{-28}{81}\times \dfrac{-3}{2}\\\\\dfrac{x}{y}=\dfrac{14}{27}

So, the other rational number is \dfrac{14}{27}.

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