What is 700,000 + 9,000 + 7 in standard form

709,007

Step-by-step explanation:

Look at the place values.

In 700, 000, the thousands column is in the third digit. Therefore add nine to that place.

In 700, 000 the ones column is the last digit. So add 7 to that place.

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i