PLEASE HELP IF YOU CAN EXPLAIN IT THAN THATD BE AMAZINGGGGGG I don’t know which to pick I’m stuck

Mathematics

2 answers:

GaryK [48]3 years ago

5 0

Answer:

1st box ... can be the answe

Vlada [557]3 years ago

5 0

If you are multiplying exponents with the same base number, you can add the exponents. so in your example it would be 5^-3. then, when you have a negative exponent you have to take the reciprocal of it. the reciprocal of just flipping the top and bottom of a fraction. so it would be 1/5^3. i hope this helps!

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horsena [70]

Answer:

$x^{4} -18x^{3}+104x^{2} -172x-100$

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2 years ago

I NEED THE ANSWER FOR THIS TEST PLEASE<br><br> Simplify -5+i/2i<br><br> Show work

LenaWriter [7]

$\dfrac{-5+i}{2i}=\dfrac{-5+i}{2i}\cdot\dfrac{i}{i}=\dfrac{-5i+i^2}{2i^2}=\dfrac{-5i-1}{2(-1)}=\dfrac{5i+1}{2}=\dfrac{1}{2}+\dfrac{5}{2}i$

8 0

3 years ago

I need the answer and explanation to how you get the answer please, please, I’m giving 30 points...

12345 [234]

Step 1 = 3.9 × 0.5 + 4 5/6 ÷ 3 3/7
Step 2 = 3.9 × 0.5 + 29/6 ÷ 24/7
Step 3 = 4.4 + 29/6 × 24/7
Step 4 = 4.4 + 29/1 × 4/7
Step 5 = 4.4 + 111/7
Step 6 =44/10 + 111/7

Step one : Write the problem
Step two : Change the mixed numbers to improper fractions
Step three : Multiplication and Division should be done first. Then simplify.
Step four : Change the division to multiplication and multiply.
Step 6 : Add the remaining fractions

Sorry i didn't know which one so i did the first one. Hope it helps you.

8 0

3 years ago