Can Negative numbers turn into Scientific Notation?

Mathematics

1 answer:

dezoksy [38]3 years ago

8 0

Answer: Yes, negative numbers can be written in scientific notation

Examples:

-1200 = -1.2 * 10^3

-1,897,000 = -1.897 * 10^6

We simply can ignore the negative at first, then convert to scientific notation (as you normally would with any positive number). Afterward, don't forget to put the negative back in.

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Factor x 2 + xy - 2x - 2y. (x + 2)(x - y) (x + y)(x - 2) (x - y)(x + 2)

Y_Kistochka [10]

X² + xy - 2x - 2y
The first thing would be to break the polynomial up into pairs.
(x² + xy) + (-2x -2y)
Then you can factor them individually.
(x² + xy)
Both numbers have x in common, so you can factor it out and get
x(x + y)
Then you factor the other pair,
(-2x -2y)
Both numbers have -2 in them, so you can factor it out and get
-2(x + y)
Now your two pairs are
[x (x + y)] and [-2 (x + y)]
Notice that the two terms in parentheses are the same, so you can get rid of one and combine the two outside terms to get a final answer of
(x - 2)(x + y)

4 0

3 years ago

Read 2 more answers

Please help. 10 points

mestny [16]

It's either A or C but correct me if I'm wrong :)

5 0

3 years ago

I WILL GIVE BRAINLIST

puteri [66]

214.5

11x22=242
11x5/2=17.5
242-17.5=214.5

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