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Otrada [13]
2 years ago
7

Directions:Use the product rule to simplify the following monomials.

Mathematics
2 answers:
katen-ka-za [31]2 years ago
8 0

<u>Question :</u>

❖ Use the product rule to simplify the following monomials.

\\  \tt \: 19.  \: ( - 15x {y}^{4} ). \bigg( -  \frac{1}{3} x {y}^{3}  \bigg)  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \\  \\   = \tt\bigg[( - 15) \times  \bigg(  - \frac{1}{3}  \bigg)  \bigg] {x}^{(1 + 1)} . {y}^{(4 + 3)}  \\  \\  \tt = 5 {x}^{2}  {y}^{7 \ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: }  \\  \\  \\

\\  \tt20. \:  \:   \tt (  5 {a}^{2}  {bc}^{3} ). \bigg(   \frac{1}{5} a {bc}^{4}  \bigg)   \tt   \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \\  \\   = \tt\bigg[5 \times  \frac{1}{5}   \bigg] {a}^{(2 + 1)} . {b}^{(1 + 1)} . {c}^{(3 + 4)}  \\  \\  \tt =  {a}^{3} {b}^{2}   {c}^{7 \ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: }  \\  \\  \\

\\ \tt \:21. \:  \:   \frac{1}{3} (2a³b)(6b³) \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \tt =  \frac{1}{3}  \times (2 \times 6) {a}^{3} . {b}^{(1 + 3)} \\  \\  \tt =  \frac{1} { \cancel{3}}  \times \cancel{ 12} \:  ({a}^{3} {b}^{4}) \:  \:  \:  \\  \\  \tt = 4{a}^{3} {b}^{4} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\

sattari [20]2 years ago
5 0

Answer:

19. 5x²y⁷

20. a³b²c⁷

21. 4a³b⁴

Step-by-step explanation:

hope i helped! good luck in class!!

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kiruha [24]

Answer:

R2 = 6.44

T2 = 8.82

Whole = 30.42

Step-by-step explanation:

R1 = 2.8 X 3.1

T1 = (1/2) X (2.4) X (5.4)

R2 = (5.4-3.1) X (2.8)  = 6.44

T2 = (1/2) X (11.7-5.4) X (2.8) = 8.82

Whole = (1/2) X (11.7) X (2.4+2.8) = 30.42

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What is 1 × 10 − 3 written in standard form? math
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Answer:

7

Step-by-step explanation:

When working with order of operations, use the acronym 'PEMDAS' (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)

The equation should basically be done in that order.

There are no parenthesis,

no exponents,

But there IS multiplication.

1 x 10 = 10.

So now, what is left over is 10 - 3.

There addition, but there IS subtraction.

10 - 3 = 7.

7 is what is left over.

Therefore, 1 x 10 - 3 in standard form is 7.

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now, we could expand them, but there's no need, since it's just factoring.

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