Answer:
A: 40
B: 1
C: 4000
Step-by-step explanation:
Answer: 5,789 digits
Step-by-step explanation:
9(1) +90(2)+900(3)+725(4)
=5789 digits
Answer:
x=-1/4
Step-by-step explanation:
this might be wrong
Answer:
first answer is correct
Step-by-step explanation:
Hello, we want to write 2 + 4 + 6 + ... + 20
for n = 1, 2n = 2*1 =2
for n = 2, 2n = 2*2=4
for n = 3, 2n=2*3=6
etc
so

thanks
Answer:
A.
Using the given formula, the calculated surface area would be in cubic units instead of square units.
Step-by-step explanation: