Convert U. S. dollars into another currency, . A. divide the number of dollars by the number of units of the other currency

B. multiply the number of units of the other currency by the number of dollars

C. multiply the number of dollars by the number of units of the other currency per dollar

D. divide the rate of exchange by the number of units of the other currency

How to convert U.S dollars into another currency is by simply dividing the amount or number of dollars by the number of units of the other currency to which it should be converted. Hope this answers your question. 

D

Explanation:

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.