... your employer or current creditors and cannot negatively impact your credit score
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A soft inquiry, by definition, is one that cannot impact your credit score. It will often be made by an employer or current creditor, but may also be made by a prospective lender who wants to pre-approve you for a loan (for example). It is any inquiry that does not result in a lending decision.
1/9×4 .change whole number to fraction: 1/9×4/1. multiply the numerators and the denominators together. 1×4 and 9×1. 1×4=4 and 9×1=9 so the answer is 4/9