Answer:
what grade is that 4
Step-by-step explanation:
The value of
in standard form is 
<h3>How to solve the expression?</h3>
The expression is given as:

Divide 6.6 by 3.3

Apply the law of indices

Evaluate the difference

hence, the value of
in standard form is 
Read more about standard forms at:
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Answer:
x=23,y=15
Step-by-step explanation:
take away 8 from 38, divide it by 2, you get 15. add 8 to one of the set of two 15s. you get 23 and 15
<span>1 million days means 10^6 days. 1 day = 24 hours.
10^6*24=2.4*10^7 hours </span>