I think it’s C but I’m not entirely sure..hope I helped
Answer:
70 kg
Step-by-step explanation:
If you're asking how to simplify, then this is how you do it.
when a power meets another power but in brackets, then you have to multiply the powers. ¼ × 4 would be 1. i simplified 81 to 3⁴.
Answer:
it’s C. 0.02,0.2.1/2, 2 1/2