Approximation and Errors

Hong Kong

Stage 1 - Stage 3

Which basic numeral is equal to $8.36\times10^{-1}$8.36×10−1 ?

$0.836$0.836

A

$836$836

B

$8.36$8.36

C

Easy

< 1min

The distance between two stars is approximately $9\times10^7$9×107 metres.

Express this distance as a whole number.

Easy

< 1min

Express $440000$440000 in scientific notation.

Easy

< 1min

Write $267150000000$267150000000 in scientific notation.

Easy

< 1min

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