Final answer:
To determine the conversion value of a paid keyword, you can use Multi-Channel Funnels to analyze different channels, but CPM and CTR do not directly determine conversion.
Step-by-step explanation:
To determine the conversion value of a paid keyword, you can use Multi-Channel Funnels and analyze the different channels that contribute to the conversion. This will help you understand the impact of the keyword across multiple touchpoints in the customer journey. CPM (Cost Per Thousand Impressions) and CTR (Click-Through Rate) can be used to measure the effectiveness of the keyword in terms of ad impressions and clicks, but they do not directly determine the conversion value. Therefore, the correct answer is None of these answers.