Stevie is moving up to the attic and wants to paint a wall white. The wall is a triangle with a base of 20 feet and a height of
2 answers:
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Answer:
Read below.
Step-by-step explanation:
Wrong:
(2.5 x 10^9) + (5.3 x 10^8) =
(2.5 + 5.3) x (10^9 x 10^8) =
7.8 x 10^7=
7.8 x 10,000,000=
780,000,000
<u>Bold is edited by me</u>
Correct:
(2.5 x 10^9) + (5.3 x 10^8)=
(2.5 x 1,000,000,000)+(5.3 x 100,000,000)=
2,500,000,000+5,300,000,000=
7,800,000,000
The problem is that whoever wrote it swapped the numbers in the parentheses, added a pair of them together and multiplied the other pair. You are not supposed to take out the pairs and swap them if you'd like or the answer is incorrect. Second mistake is that is not
I do not know how and where you got that answer from.
