I believe the answer is A. because the theory of continental drift and sea-floor spreading causes new rock to form and creates the old rock .. older
2n+1=2n+3=2n+5=2n+7-64
4nexponet2+8n+34exponetof2+25+34-64
8n+3=24n-29
16n=32
n=2
When you substitute those numbers in and solve the answer is 34.5
Answer:
In scientific notation, you move the decimal place until you have a number between 1 and 10. Then you add a power of ten that tells how many places you moved the decimal. In scientific notation, 2,890,000,000 becomes 2.89 x 109.
Step-by-step explanation:
to find the total value of what she spent, add 12.52 and 6.13. I generally add the whole number before the decimal:
12 + 6 = 18
.52 + .13 = .65
18 + .65 = 18.65
Adding separately before together helps take out confusion.
