Answer:
Total grains =1023 grains
Step-by-step explanation:
Number of grains on 1st square = 1
Number of grains on 2nd square = 2
Number of grains on 3rd square = 4
Number of grains on 4th square = 8
Number of grains on 10th square = 512 grains
Total number of grains =?
Total number of grains in the 10 squares = S10= a(r^n-1)/r-1
=1(2^10-1)/2-1
=1(1024-1)/1
=1024-1 = 1023
Total number of grains in 10 squares = 1023 ....
