To drive to work, Dave has to drive 20 miles east and then 15 miles north. If there were a direct road going northeast, how many
miles would he have to drive?
1 answer:
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Answer:
is not equal to
Step-by-step explanation:
When a power of 10 is positive the dot must be moved to the right, and when the power of 10 is negative, the dot must be moved to the left.
For example and
So
wich is clearly not equal to 0.000002015
the correct scientific notation for 0.000002015 must be:
With a negative in the power of 10, referring to a small quantity.