Donna is a computer repair person. She charges a flat fee of $20 for each computer plus an hourly charge of $9 per hour. Yesterd
1 answer:
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Answer:
The last two
Step-by-step explanation:
Scientific notation:
a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8
