(3 x 10pangakat 5) x (5 x 10 pangkat 6)

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(3 x 10pangakat 5) x (5 x 10 pangkat 6)

3 times 10 ^{5} times 5 times 10 ^{6} = 15 times 10 ^{11} = 1.5 times {10}^{12}

180x750 = 135.000

semoga benar