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8_murik_8 [283]
3 years ago
7

What is 4.5 x 10 to the power of -6 in standard notation?

Mathematics
2 answers:
Naddika [18.5K]3 years ago
7 0

Answer:

0.0000045

Step-by-step explanation:

telo118 [61]3 years ago
7 0

Answer:

.0000045*10 6 power

Step-by-step explanation:

Move decimal point 6 spaces left *10

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What is the average rate of change of the function f(x)=2(3)x from x = 2 to x = 4?
Dvinal [7]
this is kinda easy and im gonna assume that the 4 is a exponent cuz f(2)=2(3)^4 then f=81
4 0
4 years ago
The sum of a whole number and twice its square is 21. Find the whole number
I am Lyosha [343]
SOLUTION:

Let whole number = x

x + 2x^2 = 21

2x^2 + x - 21 = 0

2x^2 + 7x - 6x - 21 = 0

x ( 2x + 7 ) - 3 ( 2x + 7 ) = 0

( 2x + 7 ) ( x - 3 ) = 0


2x + 7 = 0

2x = - 7

x = - 7 / 2

OR

x - 3 = 0

x = 3


ANSWER:

Therefore, as 3 is a whole number while - 7 / 2 isn't a whole number, the whole number must be 3.

Hope this helps! :)
Have a lovely day! <3
6 0
3 years ago
Find the distance between each pair of numbers on the number line; then find the coordinate of their midpoint.
quester [9]

Answer:

d = 1 7/24 or 31/24;  midpoint would be half of that,or 31/48

Step-by-step explanation:

Since distance is absolute value, add 2/3 and 5/8 to get the entire distance.  Midpoint is that distance divided by 2.

4 0
3 years ago
Read 2 more answers
A certain number was multiplied by 7. 4 was taken away from the product. Finally, that difference was then divided by 9, resulti
marin [14]

Answer:

7

Step-by-step explanation:

To solve this, we have to work backwards. If you divide something by 9, and it equals 5, to figure out the number, we need to multiply by 9. 5*9= 45. If four was taken away, we have to add it to 45, which is 49. If a number *7 is 49, then we have to divide by 7 to get the answer. 49/7=7  

7 0
3 years ago
An 8ft length of crown molding costs $12. How much will it cost to buy 40 ft of crown molding?​
zzz [600]

Answer:

$60

Step-by-step explanation:

12/8 = x/40

40(12/8) = x

60 = x

8 0
3 years ago
Read 2 more answers
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