Simplify the expression. Write the answer in scientific notation. left parenthesis 9 times 10 Superscript negative 4 right parenthesis left parenthesis 6 times 10 Superscript negative 5 right parenthesis(9×10−4)(6×10−5)
D. 22+(-3). Hope this helps.
Hey there!
The answer is 
To solve this we use subtraction, because "the difference" represents subtraction, so:

Now, we must find a common denominator, and we can see that
and
both go into
. To get to
, we multiplied the first fraction by 5 and the second by 6, so we now have:

This is equal to 
Hope it helps and have a great day!
The area of the rect. is 100 ft times 64 ft, or 6400 ft^2.
Let's list factors of 6400: 64,100
64= 2^6
100= 2^2*5^2
Here we see that 2 appears 8 times as a factor, and 5 appears 2 times:
6400 = 2^6 * 10^2 = 2^8*5^2
Answer: I think b
Step-by-step explanation: