selesaikan berdasarkan angka penting,sebutkan jumlah angka pentingnya 1.654,321+65,43 2.654,321-65,43 3.1,233×1,23

1) 654,321 + 65,43 = 719,751 = 720 = 720 (2 angka penting)

2) 654,321 - 65,43 = 589,891 = 590 (2 angka penting)

3) 1,233 x 1,23 = 1,51659 = 1,52 (3 angka penting)