Answer:
C
Step-by-step explanation:
1)Non- zeros (1,2,3,....) are always significant.
2)Captive zeros are significant too( zeros between non- zeros ).
3)Trailing zeros (zeros at the end) aren't significant always unless if there is a decimal point.
Such this question we have decimal point so we count them
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
Answer: About 3.14 inches
Answer:

Step-by-step explanation:
<u>What number</u> <u>divided by</u> <u>-7</u> <u>is equal to</u> <u>-15</u>
∨ ∨ ∨ ∨ ∨
x ÷ -7 = -15
Multiply -7 to both sides:


Answer:
725 - 360 = 365
365 - 360 = 5
The acute angle is 5 degrees.
sin2θ = sin(2*5) = sin(10) = 0.1736
Step-by-step explanation: