R^m ÷ r^n is equal to r^(m-n).
For example, 2^5 <span>÷ 2^3 = 2^2.
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Is that what you mean?
Cos38 = 7,8/x
X= 7,8/cos38
= 9,90
2a(b+3+4bc)
just take out the greatest common factor :)
The answer is 1.063× 10 to the 2nd power
Answer:
49×66+49×34 = 49× (66+34)