3 years ago

What is 0.00000387 in scientific notation? A. 0.387 × 10–7 B. 3.87 × 10–6 C. 3.87 × 106 D. 387 × 10–8]

Mathematics

1 answer:

REY [17]3 years ago

8 0

Answer:

Step-by-step explanation:

You might be interested in

What is the slope of (-1,2) and (0,-4)

Serga [27]

Answer:

- 6

Step-by-step explanation:

$slope = \frac{ - 4 - 2}{0 - ( - 1)} = \frac{ - 6}{0 + 1} = \frac{ - 6}{ 1} = - 6 \\$

3 0

3 years ago

Which of the following numbers is NOT a solution of the equation |x + 5| = x + 5?

Nata [24]

Answer:

-10 is not a solution to the equation

Step-by-step explanation:

I don't really have an explanation

7 0

3 years ago

tami uses square tiles to make an array. she places 5 tiles in each row. she makes 5 rows.how many square tiles does she use?

PIT_PIT [208]

Answer: The answer is 25

Step-by-step explanation:

You multiply 5 times 5 and you get 25 or you could count 5 fingers 5 times

3 0

3 years ago

If you flipped a fair coin 18 times, about how many times would you expect heads to appear? HELP ME PLEASE!!!!!!!

Andrei [34K]

Answer:

9 or 3.8x10^-6

Step-by-step explanation:

By flipping a coin you'd look at how many times a head could appear (1/2) and multiply that by the 18 times.

Another explanation:

I'm not sure on this but would you raise 1/2 to the 18th power?

4 0

3 years ago

A rectangle has a length of x+7 and a width of x-3. write and expression that represents the AREA of the rectangle.

Lyrx [107]

Answer:

A = x^2 + 4x -21

Step-by-step explanation:

L = x+7

W = x-3

A = L*W

A = (x+7)(x-3)

A = x^2 + 4x - 21

6 0

4 years ago