please help Which of these numbers is equivalent to 2.4×10 to the 5 power? A. 2,400 B.24, 000 C. 240,000 D. 2,400,000

Mathematics

2 answers:

KatRina [158]3 years ago

7 0

Answer:

C. 240,000

Step-by-step explanation:

This question is about using scientific notation.

In order to solve these types of questions, you move the decimal as many places as indicated by the Exponent ( which is given above the 10).

So in this example, we are given 2.4 x 10 ⁵. This means we would move the decimal 5 places. Since the exponent is positive, we will move the decimal to the right.

2 . 4 .

Which gives us option C. 240,000.

valentinak56 [21]3 years ago

5 0

Answer:

Step-by-step explanation:

● 2.4 × 10^5

10^5 is 100000

● 2.4 × 100000

● 240 000

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A regression equation that predicts the price of homes in thousands of dollars is t = 24.6 + 0.055x1 - 3.6x2, where x2 is a dumm

AveGali [126]

Answer:

a) On average, homes that are on busy streets are worth $3600 less than homes that are not on busy streets.

Step-by-step explanation:

For the same home (x1 is the same), x2 = 1 if it is on a busy street and x2 = 0 if it is not on a busy street. If x2 = 1, the value of 't' decreases by 3.6 when compared to the value of 't' for x2=0. Since 't' is given in thousands of dollars, when a home is on a busy street, its value decreases by 3.6 thousand dollars.

$t(x1, 0)= 24.6 + 0.055x1\\t(x1, 1) = 24.6 + 0.055x1 - 3.6\\t(x1, 1) = t(x1, 0) - 3.6$