What power of ten does the prefix deca stand for?
Correct answer C. 10¹
Explanation
Deca, symbol da, means ten, so a decametre is 10 metres; hecto is 10² and kilo is 10³.
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Correct answer B. 1.024 × 10³
In scientific notation, how are numbers expressed?
Correct answer D. Powers of ten
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Correct answer B. 3
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Correct answer D. 2
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