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Decimal numbers and scientific notation

Questions (3)

A total of 7,803,100 tourists visited Country A from the year 2018 to 2020. Round to the nearest place value, then express this
1. 5 answers
2. asked anonymously
3. 85 views
Which one is smaller5.8x10^-3 or 4.5x10^-3
1. 3 answers
2. asked by Jake
3. 1,294 views
Place the numbers in descending order.2.3 × 10^−10 ; 3.2 × 10^−10 ; 2.3 × 10^−12 ; 2.3 × 10^−8
1. 1 answer
2. asked anonymously
3. 32 views