What is 28,550,000,000 rounded to the nearest billion thanks for the help

1 answer:

4 0

It might help to think of that given number as 28.55 billion. Dropping all those extra zeros helps simplify things in my opinion. After this point, you round the number 28.55 to the nearest whole number to get the final answer 29 billion. The number 28.55 is closer to 29 than it is to 28. The '5' digit after the 8 tells you to round up rather than down.

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given that sine theta = 0, and cosine theta is less than zero, find the exact values of the other two trig functions

vekshin1

Answer:

θ = π + periods of 2π

Sin (π + 2π) = 0

Cos (π + 2π) = -1

Tan (π + 2π) = 0

Step-by-step explanation:

Sin (θ)=0 implies that θ only can be 0 or π plus periods of 2π:

θ = 0+2π

θ = π+2π

For Cos(θ) the values only can be:

Cos (0+2π) = 1 and

Cos (π+2π) = -1

from this, only Cos (π+2π) < 0

So θ only can be θ=π+2π

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