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2 years ago

Write 2740 in scientific notation.

Mathematics

2 answers:

UNO [17]2 years ago

7 0

2.74 times 10 square root is 3

juin [17]2 years ago

4 0

Answer:

2.74 x 10 square root of 3

Step-by-step explanation:

hope this helps give brainliest

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A student is asked to factor, if possible, the given expression. The student's response demonstrates which common misconception?

dlinn [17]

Answer:

The student assumed he was asked to factor

(a^2 - b^2)

Which is equal to

= (a+b)*(a-b) (His response)

But, he was asked to simplify

(a^2 + b^2)

Which has imaginary roots, and can be factored as:

(b +ai)(b-ai)

8 0

3 years ago

The cell phone store is having a new years sale! You can save 20%on the iphone. If the phone usually costs $300 how, much will i

mars1129 [50]

$240

Step-by-step explanation:

300×0.80 OR 300-(300×0.20)

5 0

2 years ago

The number of stamps that Kaye and Alberto had were in the ration of 5:3 respecctively. After Kaye gave Alberto 10 of her stamps

masha68 [24]

Answer: The correct option is

(D) 60.

Step-by-step explanation: Given that the number of stamps that Kaye and Alberto had were in the ration of 5:3 respectively.

After Kaye gave Alberto 10 of her stamps, the ration of the number of Kaye had to the number of Alberto had was 7:5.

We are to find the number of stamps that Kaye had more than Alberto.

Let the number of stamps Kaye and Alberto has are 5x and 3x respectively.

Then, according to the given information, we have

$(5x-10):(3x+10)=7:5\\\\\Rightarrow \dfrac{5x-10}{3x+10}=\dfrac{7}{5}\\\\\Rightarrow 25x-50=21x+70\\\\\Rightarrow4x=120\\\\\Rightarrow x=\dfrac{120}{4}\\\\\Rightarrow x=30.$

So, the number of stamps that Kaye had = 5 × 30 = 150

and

the number of stamps that Alberto had = 3 × 30 = 90.

Therefore, the number of stamps that Kaye had more than Alberto is

$150-90=60.$

Thus, Kaye had 60 stamps more than Alberto.

Option (D) is CORRECT.

7 0

2 years ago

Make a table with integer values of x from 1 to 4

Jet001 [13]

So we see our equation, clear:
y=8^x
Let's just plug in values of x from 1-4.
y= 8^1=8; So, it would be (1,8).
y= 8^2=64; So, it would be (2, 64).
y = 8^3= 512; So, it would be (3,512).
y= 8^4 = 4096; So, it would be (4, 4096).

8 0

2 years ago

Solve the following linear equation for x.<br> 5x – 2 + x = 9 + 3x + 10<br> x =

Maru [420]

Answer:

x=7

Step-by-step explanation:

7 0

2 years ago