Answer:

To answer this question, we need to analyze the information provided and determine the price tag for the experiments conducted by the crew. Let's break down the information and explain the answer in detail.

Given Information:
- The crew performed experiments such as pollinatary planets and faster computer chips.
- The price tag for these experiments is to be determined.

Analysis:
Based on the information given, we know that the crew performed experiments related to pollinatary planets and faster computer chips. However, the exact cost associated with these experiments is not mentioned directly. Therefore, we need to carefully analyze the options provided and select the correct answer based on logical reasoning.

Options:
a) 51 million dollars
b) 52 million dollars
c) 54 million dollars
d) 56 million dollars

Logical Reasoning:
Since the specific cost of the experiments is not mentioned, we can use logical reasoning to arrive at the correct answer.

Option a) 51 million dollars: This option is lower than the other options provided. Given that the experiments conducted involved advanced technological research, it is unlikely that the cost would be as low as 51 million dollars.

Option b) 52 million dollars: This option is similar to option a) and is unlikely to be the correct answer for the same reasons mentioned above.

Option c) 54 million dollars: This option is also unlikely to be the correct answer as it falls within the same range as options a) and b).

Option d) 56 million dollars: Among the given options, this is the highest value. Considering the advanced nature of the experiments performed by the crew, it is reasonable to assume that the cost would be higher. Therefore, option d) is the most logical choice.

Conclusion:
Based on logical reasoning and considering the advanced nature of the experiments, the correct answer is option d) 56 million dollars.