What is 4 9×4 9 as a fraction?
4/9 x 4/9 = 16/81 in fraction form.
What is 4/9 times as a fraction?
Thus, 16/9 is equivalent fraction for 4/9 times of 4.
How do you multiply fractions?
The first step when multiplying fractions is to multiply the two numerators. The second step is to multiply the two denominators. Finally, simplify the new fractions. The fractions can also be simplified before multiplying by factoring out common factors in the numerator and denominator.
How do I divide fractions?
The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. Finally, simplify the fractions if needed.
How do you do 1 divided by 4?
If we have 4 groups, and put 1 in each of them we will have 1 left that is still divided by 4. So 1 1/4 is an exact answer.
What is the rule for exponents?
The Power Rule for Exponents: (am)n = am*n. To raise a number with an exponent to a power, multiply the exponent times the power. Negative Exponent Rule: x–n = 1/xn. Invert the base to change a negative exponent into a positive.
How do you calculate exponents without a calculator?
So, for example, this is how you would solve 6^3 without a calculator, from start to finish. Write: 6 6 6, because the base number is 6 and the exponent is 3. Then write: 6 x 6 x 6, to place multiplication signs between each of the base numbers. After that, multiply out the first multiplication sign, or 6 x 6 = 36.
How do you simplify imaginary?
A simple shortcut to simplify an imaginary unit raised to a power is to divide the power by 4 and then raise the imaginary unit to the power of the reminder. For example: to simplify j23, first divide 23 by 4.
What are the roots of 4?
But the roots could be positive or negative or we can say there are always two roots for any given number. Hence, root 4 is equal to ±2 or +2 and -2 (positive 2 and negative 2). You can also find square root on a calculator….Square Root From 1 to 50.
| Number | Square Root Value |
|---|---|
| 3 | 1.732 |
| 4 | 2 |
| 5 | 2.236 |
| 6 | 2.449 |