Merge pull request rails#55316 from hachi8833/fix_typo_365

[ci skip][doc]Fix engineering notation -> scientific notation

Author: jonathanhefner

guides/source/active_support_core_extensions.md

@@ -2187,13 +2187,13 @@ Extensions to `BigDecimal`
 
 ### `to_s`
 
-The method `to_s` provides a default specifier of "F". This means that a simple call to `to_s` will result in floating-point representation instead of engineering notation:
+The method `to_s` provides a default specifier of "F". This means that a simple call to `to_s` will result in floating-point representation instead of scientific notation:
 
 ```ruby
 BigDecimal(5.00, 6).to_s       # => "5.0"
 ```
 
-Engineering notation is still supported:
+Scientific notation is still supported:
 
 ```ruby
 BigDecimal(5.00, 6).to_s("e")  # => "0.5E1"