Akash asked Pavan to find the value of 9999 x 555. He says that it will be difficult to multiply as both of them are big numbers. Akash says that there is a simple way to find the product. He solves the problem using the concept of brackets. Which of the following will be the easiest way to solve this?

Akash asked Pavan to find the value of $9999\times \left(555\right)$. He says that it will be difficult to multiply as both of them are big numbers. Akash says that there is a simple way to find the product. He solves the problem using the concept of brackets. Which of the following will be the easiest way to solve this?

Akash asks Pavan to find the value of $9999\times 555$. Pavan says that it's difficult to multiply since both are big numbers. Akash says that there is a simple way to find the product. He solves the problem using the concept of brackets. Which of the following will be the easiest way to solve this?

Pavan gave a number, 98429758, to Akash and asked him to find the difference between the numbers 2 and 7 in it based on place value. What would this difference be?
___

Pavan gave a number, 98429758, to Akash and asked him to find the difference between the numbers 2 and 7 in the based on place value. The difference will be ___.