I need some really good help for alot of work. I got behind in math bc of life in general. I have been playing catch up but am now stuck with 5 days to finish 7 unit /semester assesments. Can somebody please please help me get it done. I have one other course i am trying to finish in this same time frame. It is 8th grade intermediate math.
–1 + 5(6 – y)
A.–y + 5
B.–y + 29
C.–5y + 29
D.–5y – 31
2. u NEGATIVE 3 =1/125
3. What is the product written in scientific notation?
(2.1 × 10 NEG. 2)(3.2 × 10 NEG. 4)
Stacey Warren - Expert brainly.com
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1. The answer is C. This is because you have to expand the brackets
The -1 remains the same but the bracket changes.
This is because the 5*6 is 30 and 5*y is 5y
This can be simplified to
29-5y or -5+29
I am so stuck right now lol...
2. The answer is: U =5
first, you take the U^-3 and put it as 1/U^3, that is because you cannot have a negative exponent, you MUST turn the exponent into a positive....
now you have 1/U^3 = 1/125... now you find the uncubed version of 125::::::
the cube root of 125 is 5
so, when you have U^-3, you are looking at 5^-3..