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nikklg [1K]
3 years ago
10

Evaluate this exponential expression.

Mathematics
1 answer:
Afina-wow [57]3 years ago
8 0
It's -32 since 10-42=-32
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1 The metal used to make a coin is a mixture of steel and copper. The ratio mass of steel
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\huge{ \underline{ \underline{ \gray{ \bf{Solution:}}}}}

Let,

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  • Mass of the copper be 7x
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☁️ ANSWER - 14 mg (Mass of copper)

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