Answer:
Step-by-step explanation:
Zinnia works 40 hours and earns $13 for each of those 40 hours, putting her at 40 * 13 = $520.
Then she works 9 hours over and earns$20 for each of those 9 hours, putting her at 9 * $20 = $180.
Adding those 2 together gives Zinnia a grand total of $700 in that week.
a or b
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Dividing in unit form
9 ten thousand = 9 × 10000 = 90000
90000 ÷ 10 = 9000
Dividing the sum in Standard Form
90000 = 9 × 10⁵
10 = 10¹
[9 × 10⁵] ÷ 10¹ = 9 × 10
370