Answer:
kpkgcv gvpspmspabfdpmt
3 x 10^4
Step-by-step explanation:
○ 2 x 10^1 = 20
○ 5 x 10^3 = 5,000
○ 3 x 10^4 = 30,000
○ 7 x 10^-6 = 7/1,000,000
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