Answer:
C) English
Step-by-step explanation:
I don't really know how to explain it, so I'll show you instead.
For science, there are 6 of 6 correct answers with a 0.5 chance of answering correctly.
So,
0.5 x 0.5 x 0.5 x 0.5 x 0.5 x 0.5 = 0.016
For English, there are 4 of 4 correct answers with a 0.25 chance of answering correctly.
So,
0.25 x 0.25 x 0.25 x 0.25 = 0.004
They will have to study English (0.004) because it is lower than science (0.016).
Answer:
78.5
Step-by-step explanation:
This is because of the formula r^2pi since 5^2=25 and 25x3.14 it equal 78.5
Answer:
16*10^7 or 160000000
Step-by-step explanation:
combine whole numbers: 8*2
and combine exponents: 10^-3*10^10=10^7
8*2*10^7
16*10^7
160000000