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lions [1.4K]
3 years ago
6

How to find 9^4 without multiplying four 9s

Mathematics
1 answer:
Olin [163]3 years ago
7 0
You can use the calculator it’s easier and plus you don’t have to put four 9’s
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when a number is written in scientific notation how can you tell right away weather or not it is greater than or equal to one
lidiya [134]
Right away, you can tell that the number is greater that one if the exponent is positive. For example, 1.23 x 10 to the power of 2 would be 123, which is greater than 1. If the exponent is negative, the answer will most likely be less than 1. For example, 1.23 to the power or -2 would be .0123.


Hope this helps!
4 0
3 years ago
Simplify and express in exponential form: 8^-1 * 3^3/ 2^-4 * 9^-2
Yuri [45]

Answer:

2^1* 3^7

Step-by-step explanation:

8^-1 * 3^3/ 2^-4 * 9^-2

Negative exponents move from the numerator to the denominator or from the denominator to the numerator

2^4*9^2* 3^3 /8^1  

Rewriting 9^2 as 3^2^2 = 3^4  and 8 = 2^3

2^4 * 3^3 * 3^4 / 2^3

2^4/ 2^3 = 2   and 3^3 * 3^4 = 3^(3+4) = 3^7

2* 3^7

5 0
3 years ago
Read 2 more answers
Prove that the bisector of the vertical angle of isosceles triangle is the perpendicular bisector of the base
julia-pushkina [17]

Answer:

We will take two angles and name them 'x'

And their sum must equal 180

So,

x + x = 180

2x = 180

x = 180/90

x = 90

Hence, it is proved that the bisector of the vertical angle of isosceles triangle is the perpendicular bisector of the base.

7 0
3 years ago
Best answer will get Five stars and a crown
kupik [55]

Answer:

x ∈ R,a=1

Step-by-step explanation:

i believe this is the answer but i am not 100% sure

6 0
3 years ago
Read 2 more answers
If 100 units of a product cost $5,000 and 200 units cost $8,000, what is the incremental cost per unit of the second 100 units?
Art [367]
I don’t know why the word “million” is there, but the incremental cost per unit of the secon hundred units is $30 per unit.
4 0
3 years ago
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