Angka penting dan tuliskan notasi ilmiahnya 1.350,074 2.12,50 3.9,67351 4.0,00030561 5.0,3000312 #tolong yaaa

1. 350,074 = 3,50074 × 10^2
2. 12,50 = 1,250 x 10^1
3. 9,67351 = 0,967351 × 10^1
4. 0,00030561 = 3,0561 × 10^-4
5. 0,3000312 = 3,000312 × 10^-1