Pls help me, brain list and a thanks
1 answer:
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Answer:
Step-by-step explanation:
In order to get the answer to this question you will have to put the scientific notations into their number form then multiply, then change back into scientific notation form.
Turn the notations into their number form:
The exponent is positive so move the decimal point to the right:
Do the same with the second notation:
Since the exponent is positive move the decimal point to the right:
Now multiply:
Now turn the number into scientific notation:
Hope this helps.
Alright, lets get started.
Jessica can swim a lap in seconds
Converting it into decimals,
Means seconds
Means Jessica can swim a lap in 29.4 seconds
Marta can swim a lap in 28.7 seconds.
So, Martha is faster than Jessica by seconds
It means Marta is 0.7 seconds faster than Jessica. : Answer
Hope it will help :)