For getting visa age is not a problem provided the visa application procedure is correctly followed and fee is paid. Options you have are like tourist or student visas.
The standard notation for 9.35 x 10 to the ninth power is: 9,350,000,000
1,000,000,000
Yes, you can work in the US with a visa.
29 = 512
Yes if you do not have any valid US Visa. No if you have a valid US Visa.
There is no such thing as a Puerto Rican visa. Puerto Rico is part of the United States and if a visa is needed by a visitor it will be a US visa.
No, you cannot work in the US with a tourist visa.
With a US visa, you can travel to the United States, but the specific countries you can visit will depend on the type of visa you have.
No, you cannot apply for a B1 visa while in the US. You must apply for a B1 visa from outside the US at a US embassy or consulate.
No, you cannot apply for an F1 visa while in the US. You must apply for an F1 visa from outside the US at a US embassy or consulate.
With a US visa, you can travel to the United States for the purpose specified on your visa, such as tourism, business, education, or work. It is important to adhere to the conditions of your visa and not overstay your allowed time in the US.
Yes, you can renew your visa in the US by submitting an application to the US Citizenship and Immigration Services (USCIS) before your current visa expires.