Convert dataset sizes from base 2 to base 10 in the dataset card

Convert dataset sizes from base 2 (MiB) to base 10 (MB) in the dataset card, as it is the case in the dataset viewer.
See: https://github.com/huggingface/datasets/issues/5708

README.md

@@ -130,9 +130,9 @@ dataset_info:
 - **Repository:** [https://github.com/google-research-datasets/natural-questions](https://github.com/google-research-datasets/natural-questions)
 - **Paper:** [https://research.google/pubs/pub47761/](https://research.google/pubs/pub47761/)
 - **Point of Contact:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
-- **Size of downloaded dataset files:** 42981.34 MB
-- **Size of the generated dataset:** 95175.86 MB
-- **Total amount of disk used:** 138157.19 MB
+- **Size of downloaded dataset files:** 45.07 GB
+- **Size of the generated dataset:** 99.80 GB
+- **Total amount of disk used:** 144.87 GB
 
 ### Dataset Summary
 
@@ -154,9 +154,9 @@ en
 
 ### Data Instances
 
-- **Size of downloaded dataset files:** 42981.34 MB
-- **Size of the generated dataset:** 95175.86 MB
-- **Total amount of disk used:** 138157.19 MB
+- **Size of downloaded dataset files:** 45.07 GB
+- **Size of the generated dataset:** 99.80 GB
+- **Total amount of disk used:** 144.87 GB
 
 An example of 'train' looks as follows. This is a toy example.
 ```