Answer:
The last expression is correct
Step-by-step explanation:
We have been given the following expression for simplification;

The bases of the two expressions are the same. They are both equal to 4. When multiplying numbers with the same base, we simply add their exponents. In this case our exponents are;
4 and -9
adding them we have;
4 + (-9) = -5
The simplified expression thus becomes;

The difference would be 74.059
Answer:
1
Step-by-step explanation:
an integer is a natural counting number, such as 1...2...3...4... and so on....
zero is not considered an integer because it is a neutral number.
therefore, the smallest possible positive integer would have to be 1!
i hope this helped you!
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Answer:
sin^2(45) = (√2/2)^2 = 1/2
Step-by-step explanation:
sin2x = sin2 * x = 0.909x
sin(2(45)) = sin90 = 1
Hope this helps.
He puts 15 markers in the box. Hope this helps.