What is the value of -3r+ 8 when r=4
1 answer:
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Answer:
17
Step-by-step explanation:
Substitute the value of the variable and simplify.
Anything raised to the power of 0 is one.
16 + 1 = 17
Answer:
Step-by-step explanation:
We have to write 243 as a power of some number.
So, if we factorize 243 we get,
243 = 3 × 3 × 3 × 3 × 3
Therefore, we can write 243 as a power of 3.
No other number can be written in powers of 243 because it do not contain any other factor than 3.
Hence, 243 can be written as :