How do I count positive and negative numbers in Excel? Here, the COUNTIF function can help you quickly to count how many positive numbers or negative numbers in a range. Notes: 1. If you want to count the number of negative values only, please apply this formula =COUNTIF($A$1:$D$7,”<0″). Can Excel Count negative numbers? To count […]
What is the characteristic of compound?
What is the characteristic of compound? Characteristics of a compound The properties of a compound are different from the properties of its constituents. Formation of a compound is generally accompanied by evolution of energy in the form of heat or light. A compound has a fixed melting point and boiling point. A compound is always […]
What is 0.312 as a fraction in simplest form?
What is 0.312 as a fraction in simplest form? How to Write 0.312 or 31.2% as a Fraction? Decimal Fraction Percentage 0.336 42/125 33.6% 0.328 41/125 32.8% 0.32 40/125 32% 0.312 39/125 31.2% What is 0.45 as a fraction in simplest form? So, 0.45=920 as a proper fraction in simplest form. What is 3/8 as […]
How many times will I be writing 2 if I write down numbers from 11 to 99?
How many times will I be writing 2 if I write down numbers from 11 to 99? How many times will I be writing 2 if I wrote down numbers from 11 to 199? Solution: From 11 to 100, count numbers such as 12,32,42,52,62,72,82,92 which are 8 in numbers plus numbers from 20,21,22,23,24,25,26,27,28,29, have digits […]
What are the two main types of energy?
What are the two main types of energy? Many forms of energy exist, but they all fall into two basic categories: Potential energy. Kinetic energy. What are the two types of mechanical energy? There are two main types of mechanical energy. They are motion energy and stored mechanical energy. Motion energy: This is the energy […]
What are examples of fast chemical reactions?
What are examples of fast chemical reactions? Chemical reactions that complete in a very short time, such as less than 10 -6 seconds, they are called fast reactions. Examples: Magnesium ribbon is burnt in the flame of Bunsen burner; it quickly gets combusted with a noticeable spark. Similarly, a neutralization reaction between acids and bases […]
Is a pencil sharpener a system?
Is a pencil sharpener a system? why a pencil SHARPENER consists of 2 simple machines: The old fashioned pencil sharpeners that are mounted to the wall and cranked by a handle are an example of a compound machine that consists two simple machines: the wheel and axle and a wedge. What type of lever is […]
Who first invented the battery?
Who first invented the battery? Alessandro Volta When did Alessandro Volta create the battery? 1800 What did the first battery look like? “This was the first battery that we know of, and it was basically a clay jar with a copper cylinder, probably surrounded by lemon juice or something like that.” Supposedly discovered in 1936, […]
Where in the sky is the Christmas star?
Where in the sky is the Christmas star? Those looking to see the star will want to look above the southwestern or western horizon after sunset, experts said. Why is it called the Christmas Star? The Star of Bethlehem, or Christmas Star, appears in the nativity story of the Gospel of Matthew where “wise men […]
Can you die from swimming in the Dead Sea?
Can you die from swimming in the Dead Sea? Is it possible to drown in it? Although whoever enters the water immediately floats, you should keep in mind that it is still possible to drown in the Dead Sea. This happens when swimmers get caught in strong winds, flip over and swallowing the salty water. […]