C is 6 because the absolute value of -19 -13 would be 19-13 which equals 6
To get the answer you have to add 29.4 and 13.9 and you get 43.3
It is A
Answer:
6. 4.5×10⁴
7. 4.2×10^-3
8. 9.5×10^9
9. 1.3×10^-3
10. 3×10²
Step-by-step explanation:
start counting just after the dot . hope it helps