1.88 x 10^9 = 1.88 x 1,000,000,000 = 1,880,000,000
3.76 x 10^5 = 3.76 x 100,000 = 376,000
1,880,000,000 divided by 376,000 = 5000
1.88 x 10^9 is 5,000 time greater than 3.76 x 10^5.
Hope this helps :)
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