Answer:
0.0005123
Step-by-step explanation:
The scientific notation 5.123e-4 is same as 5.123×10^-4 or 5.123×10-4. Thus, to get the answer to 5.123e-4 as a decimal, we multiply 5.123 by 10 to the power of -4.
= 5.123e-4
= 5.123 × 10-4
= 0.0005123
Answer:
343 : 729
Step-by-step explanation:
A cube is made up of 6 square faces. If each face has a side length of a, we can find the surface area of that cube with the formula 
, since we'll have 6 faces with area a². Let's call the edge length of the first cube a and the edge length of the second cube b. The ratio between their surface areas is then 6a² : 6b², or simply a² : b². If we compare this to our given ratio 49 : 81, we can see that a² = 49 and b² = 81, or, square rooting both equations, a = 7 and b = 9.
The volume of a cube with a side length a is a³, so the ratio between our cubes here must be a³ : b³. Using the values for a and b we just found, this ratio becomes 7³ : 9³, which we can simplify to 343 : 729.
Answer:
(2.6, -2.7)
Step-by-step Explanation:
Let X represent the point which is 7/10 of the way from A to B.
AX to XB = 7:10 = AX/XB = 7/10.
Formula for internal division to find the coordinates is:
Where,
Substitute the values above into the stated formula to find x and y coordinates as follows:
The coordinates of the point 7/10 of the way from A to B are (2.6, -2.7)
The answer choice which best fits the function described in the task content is; Choice A; time(length).
<h3>Which would be a good name for the function?</h3>
It follows from the task content that the function takes the length of a race and returns the time needed to complete it.
On this note, it follows that the time taken is a function of the length of the race.
Hence, the appropriate name of the function is; Choice A.
Read more functions;
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You have to look to the tenths place. You then look at the number right behind it. In this case you look at the 5, and then the number behind it a 9. If the number behind is 5+ you bring the left number up. So .59 is rounded to the nearest .1 meter as .6!
