What is the sum of 7 x 10-8 and 2 x 10-8 ?
1 answer:
Answer: 1.
<----(answer for 7 x 10 - 8)
2.
<---- (answer for 2 x 10-8)
Step-by-step explanation:




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5x -10 +10 = 20 +10
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5x/5 =30/5
x = 6