286.974 = 2 ∗ 100.000 + 8 ∗ 10.000 + 6 ∗ 1.000 + 9 ∗ 100 + 7 ∗ 10 + 4
The expanded form of 286.974 breaks down the number into the sum of each digit's value based on its position. It is written as 200 + 80 + 6 + 0.9 + 0.07 + 0.004. This method helps illustrate the contributions of each digit to the total value.
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3jam = 3 x 3.600 = 10.800 detik17 menit = 17 x 60 = 1.020 detik10.800 + 1.020 = 12.820 detik
Diketahui3 jam + 17 menitDitanyaBerapa detikDijawab1 Jam = 60 menit1 Menit = 60 detik3 jam + 17 menit= (60 x 3 ) menit + 17 menit= 180 Menit + 17 menit= 197 menit = (197 x 60 ) detik= 11.820KesimpulanJadi jawabannya 11.820 detik.