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Because:

  • that is how indices are defined, and
  • if they did not always work, they would not be called laws.
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10y ago

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Find four ordered pairs for the equation x equals -5?

This first number in an ordered pair is x. And since x is always -5, all these work. (-5,0),(-5,1),(-5,2),(-5,3),(-5,4)


Is 860 divisible by 5?

yes, numbers ending in a 5 or 0 are always divisible by 5.


How do you write numbers in exponential form?

5000 = 5 x 1000 & 1000 = 10 x 10 x 10 = 2^3 x 5^3 Hence in exp in exponential form 5^(1) x 2^3 x 5^3 Remember for exponents, when multiplying with a common coefficient, you add the exponents(indices) Hence 2^3 x 5^(1 + 3) = 2^3 x 5^4


If 20 people complete a work in 5 houshow many people are required to complete that work in 1 hour?

If the work that is required is the same amount, then the work to people ratio is 5:20. To get to 1 hour, you need to divide the amount of time by 5. Since you are going to need more people to complete the work, you then multiply the number of people by 5, and 20*5=100. Therefore, you need 100 people to complete the work in 1 hour.


What is bid mas?

BIDMAS is an acronym used in the mathematics field to help remind people in what order a mathematical equation gets solved. The letters stand for Brackets Indices (squared, cubed, etc.) Divide Multiply Add Subtract What you need to note though is that an equation is always solved from left to right. That is the #1 rule. Second, you multiply and divide in the order they are written; same follows for addition and subtraction. For example, 10+20*2/5 = 18 This is because you start by solving 20*2 = 40, then 40/5 If it were written 10+20/2*5 it would then equal 60. In this case you solve 20/2=10, then 10*5

Related Questions

How do you work out 8x2-5 equals?

you use BIDMAS Brackets Indices (Division Multiplication) (Addition Subtraction) the brackets always come first then Indices (to the power of) them multiply and divine have the same equality either and adding and subtracting are the same. so you would multiply 8x2=16 then you subtract 5 16-5=11.


What are the 5 laws of exponent?

Exponents are the same as powers or indices and so:- When multiplying terms add the indices: y2*y6 = y8 When dividing terms subtract the indices: x6/x2 = x4 Powers of powers multiply the the indices: (p2)3 = p6 Square root of: d8 = d8/2 = d4 Cube root of: p15 = p15/3 = p5 Remember:- Anything to the power of 0 is 1: x0 = 1 Anything to the power of 1 is just itself: x1 = x 1 raised to any power is just 1: 110 = 1


What is the product of prime factors for 370 using indices?

2 x 5 x 37


What are maths indices?

In maths indices are little superscript numbers that are powers, ie they tell you how many times to multiply the base number by itself. eg in 103 the 3 is the index (singular of indices) which tells you to multiply 10 by itself thrice, ie 103 = 10 x 10 x 10 = 1000.


What is 70 as a product of prime numbers in index form?

It is: 2*5*7 = 70 and no indices are needed


Express 60 as a product of prime factors uuing indices?

22 x 3 x 5


What does it mean to write your answers as powers?

It means to write out your answers in index or indices format as for example 5*5 = 25 which is the same as 52


How do you write 2x2x3x3x5x5 using indices?

To write the expression (2 \times 2 \times 3 \times 3 \times 5 \times 5) using indices, you group the identical factors together. This gives you (2^2 \times 3^2 \times 5^2). Each base number is raised to the power of the number of times it appears in the product.


What God is doing today?

God is always at work. John 5:17


Write 90 as a product of prime factors in index form?

It is: 2 times 3^2 times 5 = 90 no indices are needed for 2 and 5


What are the Prime factors of 105 in index form?

No indices are needed because as a product of its prime factors: 3*5*7 = 105


What is j to the power of 5 divided by j to the power of 6?

0.8333