A married couple with one son were tested for lead poisoning, only the parents tested positive. Eventually, the source of the poison turned out to be martini glasses painted with leaded paint.
81 ftlb
Percentage = 81% Decimal = 0.81 Fraction = 81/100 NB Notice how the numbers are displayed in each case.
Try doing the division, in this case, 81 / 3. If you get a whole number, it is; otherwise it isn't.
Yes, -81 is an integer. An integer is a whole number that can be positive, negative, or zero. In this case, -81 is a negative whole number, making it an integer.
(a + 9)(a - 9)
Use your calculator to calculate the square root of 81. Or use trial-and-error, to see which number, when multiplied by itself, gives you 81. (Hint: In this case, it is an integer.)
81
in school
No, 81 is not divisible by 4. In order for a number to be divisible by 4, the last two digits must be divisible by 4. In this case, the last two digits of 81 are 81 itself, which is not divisible by 4. Therefore, 81 is not divisible by 4.
The unit rate of 405 and 5 is 81. To determine the unit rate, divide the first number (405) by the second number (5). The result is the unit rate, which in this case is 81.
9= 1/9 * 81= 81/9= 9
81