scale
Returns a BigDecimal whose numerical value is equal to (this * 10<sup>n</sup>). The _scale of the result is (this._scale() - n).
Return
a BigDecimal whose numerical value is equal to (this * 10<sup>n</sup>)
Since
1.5
Parameters
n
the exponent power of ten to _scale by
Throws
if the _scale would be outside the range of a 32-bit integer.