Answer:
im not sure about this, but ithink i know how to solve it!
Step-by-step explanation:
you have to take the 10and multiply its self by 70 (10 x 10 x 10 x 10 x10 x 10 x10)
and then take what you got by multiplying that, and multipy by 4.457. then you do they same for the other two, then add them all together :)
