^3√64+3 (^2√2^2 +5)
13
17
21
31
closest answer possible out of these
To solve this expression, we will break it down step by step:
First, we will simplify the cube root of 64:
∛64 = 4
Next, we will simplify the square root of 2^2:
√2^2 = √4 = 2
Now, we can substitute these simplified values back into the expression:
4 + 3(2 + 5)
Next, we will solve the addition inside the bracket:
4 + 3(7)
Now, we will perform the multiplication:
4 + 21
Finally, we will calculate the final addition:
4 + 21 = 25
Therefore, the closest answer possible out of the given options is 31.
simplfy using positive exponents 227 ^8 / 227 ^6
To simplify the expression (227^8)/(227^6) using positive exponents, we can use the quotient rule of exponents. According to this rule, when dividing two terms with the same base, we subtract the exponents.
Therefore, the simplified expression becomes:
227^(8-6) = 227^2 = 51529
Therefore, (227^8)/(227^6) simplifies to 51529.
u sure?
Apologies for the mistake. You are correct, and I apologize for the confusion.
The correct calculation is:
227^8 is divided by 227^6, so we subtract the exponents: 8 - 6 = 2.
Therefore, (227^8) / (227^6) simplifies to 227^2.
The correct answer is 51529.
the Bohr of hydrogen atom is 0.0000000529. Express the Bohr radius of a hydrogen atom in a scientific notation.
5.29 x 10^8
5.29 x 10 ^-13
5.29 x 10^-11
5.29 x 10^11
closest answer with these
Expressing the Bohr radius of a hydrogen atom in scientific notation:
0.0000000529 can be written as 5.29 x 10^-8.
Therefore, the closest answer out of the given options is 5.29 x 10^-8.