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3 years ago

What is the product written in scientific notation?

1 answer:

7 0

First, you multiply 2.1 by 3.2, which gives you the answer of 6.72. Then, you multiply 10-2 by 10-4. One rule about multiplying exponents, you just add the exponents. So 10-2 x 10-4 = 10-6. Finally you get the answer of C. 6.72 x 10-6.

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A rectangle has a heigh if 4x^3 and a width of x^3+3x^2+2x

Andrews [41]

Answer:

Area = $4x^6+12x^5+8x^4$

Step-by-step explanation:

<u>The Complete Question:</u>

A rectangle has height $4x^3$ and width $x^3+3x^2+2x$ . What is the area of the rectangle in terms of x?

<u>Solution:</u>

The formula for the area of a rectangle is:

Area = Height * Width

Both the expressions for height and width is given, so we just need to multiply both the expressions to get an expression, in x, for the area of the rectangle. The algebra is shown below:

$A=(4x^3)(x^3+3x^2+2x)\\A=4x^6+12x^5+8x^4$

This is the area of the rectangle.

8 0

3 years ago

K+5/3=-7/4 (those are fractions) also can you show your work?

iris [78.8K]

Answer:

-3 5/12=k

Step-by-step explanation:

K+5/3= -7/4

subtract 5/3 from both sides

K= -7/4-5/3

lcm of 4 and 3 is 12

K= -21/12-20/12

K= -41/12

K= -3 5/12

5 0

3 years ago

Which of the following is a factor of 2x2–7x–15?

zimovet [89]

Answer:

hello : x - 5

Step-by-step explanation:

look this solution

5 0

3 years ago

Which of the following sets of ordered pairs is a functionB

ser-zykov [4K]

Answer:

i dont know

Step-by-step explanation:

4 0

3 years ago

Please help and show work

gladu [14]

Answer:

Step-by-step explanation:

First I converted the fractions into decimals to make it easier to solve.

2 1/2 —> 2.5

1 3/4 —> 1.75

Then I added the two decimals together.

2.5 + 1.75 = 4.25

Then I divided this number by 100 (the number of cups in one bag)

100/4.25=23.529

With this equation I know that one bag lasts 23 full days.

This is almost a month, and so it would not make sense for the answers to be B, C, or D.

Hope this helped

8 0

3 years ago

Read 2 more answers