Find 1, 305 x 81. Then estimate to check your answer.

A. 1, 305 x 81 = 85, 705 Check: 1,000 × 8 = 80,000

B. 1, 305 x 81 = 105, 705. Check: 1,400 x 90 = 12, 600 :

C. 1,305 x 81 = 105, 705 Check: 1, 200 × 80 = 96,000

D. 1, 305 x 81 105, 705 Check: 1,300 x 80 = 104, 000​