Answer:
16
Step-by-step explanation:
I dont really inderstand but i would say 16 because it is closer to adding up to 43 so yea
Yup, the amount of 0's is the exponent. for example 1000= 10^3, hope this helped :)
Less, 12 x 3/4 is 9 as you take 12/4 which is 3 times 3, which gives you 9