A number is divisible by 8 if its last three digits form a number that is exactly divisible by 8.
For example, 4,320 is divisible by 8 because 320 ÷ 8 = 40 (a whole number).
1 milligram (mg) = 10⁻⁶ kilograms (kg)
So, 20 milligrams equals:
20 mg = 20 × 10⁻⁶ kg
Which simplifies to:
2 × 10⁻⁵ kg
The harmonic mean is the reciprocal of the arithmetic mean of the reciprocals of the data points.
It is calculated as the inverse of the average of the inverses of the values.
The square root of 256 is 16, which has 2 digits.
Counting the digits in 16 confirms that the answer is 2.
To solve the equation:
5/6 ÷ 5/9
When dividing by a fraction, multiply by its reciprocal:
5/6 × 9/5 = 9/6
Simplify the fraction:
9/6 = 3/2
To evaluate the expression, follow the order of operations:
Multiply 3 and 3: 3 * 3 = 9
Add 3 and 9: 3 + 9 = 12
Subtract 3 from 12: 12 - 3 = 9
Add 3 to 9: 9 + 3 = 12
The correct answer is: 12
To find the halfway point:
103 + 301 = 404
404 / 2 = 202
So, the correct answer is 202.
A non-terminating, non-recurring decimal cannot be expressed as a fraction.
It is the key characteristic of an irrational number.
1,5,9,13, ---- 40th
d=5-1=4 d=9-5=4 =1+(40-1)*4 =1+156 =157
U have to use the formula S=n/2 [2a+(n-1)d]
S=40/2[2(1)+(40-1)4]
S=20[2+(39)4]
S=20[156]
S=3160
ND-8-08-2023
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