The approximate number 7 995 123 retains three significant numbers

The approximate number 7 995 123 retains three significant numbers

Keep 3 significant numbers = 8.00 × 10 to the sixth power ~ Yike forever 523 to answer for you, I wish you progress in your study ~ ~ ~ if you agree with my answer, please click the [adopt as satisfactory answer] button in time ~ ~ the mobile phone questioner can comment "satisfied" on the client ~ ~ ~ your adoption is my driving force ~ ~ ~ if you have any new questions, please ask me for help, the answer is not easy, please understand~~

Approximate number 7 995 123 keep three significant digits approximate number 0.001 237 keep three significant digits 5 631 274 accurate to thousands
The approximate number 7 995 123 retains three significant numbers
Approximate 0.001 237 keep three significant numbers
5 631 274 accurate to thousands

The sixth power of 8.00 × 10
The - 3 power of 1.24 × 10
631 × 10 to the sixth power

123 keep two significant numbers,

123 keep two significant numbers = 1.2 × 10 ^ 2
Keep two significant numbers, need to round off 3, so use scientific calculation method
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