You do 50•10 which is 500 so in this case 500 has the same value as 50 tens.
Answer:
The central idea of the passage is to present a suit that protects against the attack of viruses.
The detail that supports the central idea is the presentation of the elements that the costume has, such as filters, that allow it to promote this protection.
Explanation:
The passage shown above, has as main objective to expose a special suit that has technological elements that allow it to provide a strong protection against the attack of viruses.
To achieve this goal, the passage provides details of what elements are inserted in this suit and how these elements act efficiently to prevent the entry of viruses and promote successful protection.
