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are solved using cross-multiplication, since the missing b term is implicitly equal to 1: a 1 = x d . {\displaystyle {\frac {a}{1}}={\frac {x}{d}}.} Any equation containing fractions or rational expressions can be simplified by multiplying both sides by the least common denominator .
For example, the expression , phrased as "3 times 4" or "3 multiplied by 4", can be evaluated by adding 3 copies of 4 together: = + + = Here, 3 (the multiplier) and 4 (the multiplicand) are the factors, and 12 is the product.
For example, 3 5 = 3 · 3 · 3 · 3 · 3 = 243. The base 3 appears 5 times in the multiplication, because the exponent is 5. Here, 243 is the 5th power of 3, or 3 raised to the 5th power. The word "raised" is usually omitted, and sometimes "power" as well, so 3 5 can be simply read "3 to the 5th", or "3 to the 5".
[3] [4] Expressions can be evaluated or simplified by replacing operations that appear in them with their result. For example, the expression 8 × 2 − 5 {\displaystyle 8\times 2-5} simplifies to 16 − 5 {\displaystyle 16-5} , and evaluates to 11. {\displaystyle 11.}
The world’s oldest known wild bird has sparked “special joy” among scientists after she laid an egg – her first in four years – at the age of 74.
3: 6 4: 24 5: 120 6: 720 7: 5 040: 8: 40 ... simplifying the computation and avoiding the need ... There are infinitely many factorials that equal the product of ...
One of our most popular items of 2024, AOL readers have purchased thousands of these $10 surge protectors — here's why
Whatever you may think of Robert F. Kennedy Jr., he has brought a spotlight to the chronic health problem plaguing many Americans.. Nearly every family and friend group has someone with type 2 ...