the capacity of a pen drive is 2 gigabytes. The free space in the pen drive is 7.8 × 10*8. Find the capacity in bytes of data stored in the pen drive

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

anwser : 11.8 was his score

squaring a number and then multiplying the result by 4 equals 1 what is that number

1