The total number of living humans on arth was converted to scientific notation using an online caculation and was reported to be approximately 7.158*109. write earth's population as a single digit times and iterger power of 10 andin standard form.

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

What term best describes a line ans a point that lie in the same plane

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.