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svlad2 [7]
2 years ago
11

I need help with this question

Mathematics
2 answers:
Leona [35]2 years ago
8 0
Im guessing Scientific Means it uses Formulas and different types of symbols, so I would think 5.91E10 & 2.66 x 10^-3 go in the Scientific Section. The other 2 go in Standard.

Trying to Help!
Irina18 [472]2 years ago
8 0
Scientific Notation has an "E" or a times 10 to the equation.
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Expand and combine like terms (3z^5 +7z^2)^2
AVprozaik [17]

Answer:

\displaystyle{(3z^5+7z^2)^2 = 9z^{10}+42z^7 + 49z^4 }

Step-by-step explanation:

Since it's a perfect square, we can simply use the formula:

\displaystyle{(ax+by)^2 = a^2x^2+2abxy+b^2y^2}

Given the perfect square expression \displaystyle{(3z^5+7z^2)^2}. Apply perfect square formula:

\displaystyle{(3z^5+7z^2)^2 = 3^2(z^5)^2+2(3)(7)(z^5)(z^2) + 7^2(z^2)^2 }

Knowing laws of exponent is mandatory when it comes to algebra. Recall that:

\displaystyle{(a^m)^n = a^{mn}}\\\\\displaystyle{a^m \cdot a^n = a^{m+n}}

Apply laws of exponent to simplify the terms or expression:

\displaystyle{(3z^5+7z^2)^2 = 9z^{10}+42z^7 + 49z^4 }

Since there are no like-terms to do operation with (these terms have different degrees so they are not considered to be like-terms.) Therefore, the final answer is:

\displaystyle{(3z^5+7z^2)^2 = 9z^{10}+42z^7 + 49z^4 }

8 0
1 year ago
Look at pic and answer (7th math)
expeople1 [14]

Answer:

It's 28 touchdowns

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Fred completed 10 math problems this is 40% of the math problems he must do how many are left??
Maru [420]

Answer:

100%-40%=60%

10-4=6

he has 6 questions left


8 0
3 years ago
261,256,251 find the 50th term
marshall27 [118]

Answer:

a_{50}=16

Step-by-step explanation:

Given that,

An airthmetic sequence,

261,256,251

We need to find the 50th term.

We have,

first term, a = 261

common difference = 256-261 = -5

The nth term of the AP is given by :

a_n=a+(n-1)d\\\\a_{50}=a+49d\\\\a_{50}=261+49(-5)\\\\a_{50}=16

So, the 50th term of the sequence is 16.

7 0
3 years ago
Whats the distance between points p(8,2) and q(3,8)
True [87]
The answer is 7.8 
Hope this helps!


8 0
3 years ago
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