MATHEMATICS HIGH SCHOOL

A star has a diameter of 4,680,000,000 units. Express this number in scientific notation.

Answers

Answer 1

Answer:

Answer:

$4.68*10^9$

Step-by-step explanation:

Scientific notation is defined as a way of writing very large or very small numbers.

A number between 1 to 10 is written in scientific notation when it is multiplied by a power of 10.

Here the given scenario is :

A star has a diameter of 4,680,000,000 units.

So, in scientific notation we can write this as :

$4.68*10^9$

We can check this if we multiply this by 10^9. This will shift the decimal to 9 places in the right side.

Answer 2

Answer: the answer should be 4.68x10^9.

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Bob, driving a new Ford, travels 330 miles in the same amount of time it takes John, driving an old Chevy and traveling 10 miles per hour faster, to travel 390 miles. How fast is Bob driving?

Answers

Answer:

55 mph

Step-by-step explanation:

Let x represent Bob's speed. Then John's speed is x+10, and their respective times are found by ...

time = distance/speed

330/x = 390/(x+10) . . . . . . . the times are the same

330(x +10) = 390x . . . . . . . multiply by x(x+10)

3300 = 60x . . . . . . . . . . . . . subtract 330x

55 = x . . . . . . . . . . . . . . . . . . divide by the coefficient of x

Bob is driving at 55 miles per hour.

Solve for t. 50= − 10 t + 80

Answers

The answer is t= 3 !!!

50= - 10t+80
We move all terms to the left:
50 - ( -10t+80) =0
Get rid of the parentheses
10t - 80+50=0
We add all the numbers together, and all the variables
10+ - 30=0
We move all the terms containing t to the left, all the other terms to the right
10t = 30
t = 30/10
t = 3

Please answer ASAP! An explanation is a MUST REQUIREMENT in order to receive points and the Brainliest answer. Thank you.

Answers

$(\sqrt[3]{x^(2)})^(6)=x^{(2* (1)/(3))*6}=x^{ (2)/(3)*6 } =x^(4)$

the cube root of x^2 is x^2/3
because it is in the bracket and the power of 6 sign is outside you multiply its index (2/3) by 6 and you have x^4
so the answer is the second one, x^4

hope this helps :)

Which is larger 2in or 3,526yd

Answers

Based on the picture, did you mean 2 miles vs. 3,526 yards? If so, here's how to solve it:

1 mile is 1760 yds. So 2 miles is 3520 yards.

Therefore, 3526 is longer than 2 miles.

What is the point-slope form of a line with slope that contains the point (-3, 6)?

Answers

Answer: y-6=2/5(x+3)

Step-by-step explanation:

Add the slope next time 2/5

point slope
y-y1=m(x-x1)
where you are given the point (x1,y1) and the slope is m

we are given the point (-3,6)
x1=-3
y1=6
y-6=m(x-(-3))
y-6=m(x+3) is the point slope form and we don't kn ow the slope yet

Please help? I'll fail if I miss this....Which triangle is similar to triangle SRT? (6 points)

Triangle QRP

Triangle PST

Triangle PQR

Triangle TRP

Answers

Answer:

TRP

got the answer right on the test!

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