What is (6.648 x 10 to the power of 9) - (2.9 x 10 to the power of 7) in scientific notations

=6590000000 or 6.59 x 10^9   (^ raises the number as an exponent)

Step-by-step explanation:

=(6.648 x 10 to the power of 9) - (2.9 x 10 to the power of 7)

or we could just expand the numbers

like,

= 6619000000- 29000000

and then calculate to get the answer which equals 6590000000  or 6.59 x 10^9 when written in a  scientific form

gregory's graph is incorrect because it shows 2 inches of growth for each week when it should show 0.75 inches of growth each week.

in simplified version   it would be x ≤-4

step-by-step explanation:

multiply each term in x ≤-4 by -1