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Gala2k [10]
3 years ago
12

Write the product of 7 x 7 x 7 x 7 in exponential form.

Mathematics
2 answers:
Svet_ta [14]3 years ago
8 0

Answer: 7⁴

Step-by-step explanation:

An exponent is the same as an index and tells us what a power is made up of.

7  ×  7  ×  7  ×  7 = 7⁴

The powers of 7 are: 7; 49; 343; 2,401.

They are written with exponents as:

7¹; 7²; 7³; 7⁴

telo118 [61]3 years ago
4 0

Answer:

I believe it's 7^3 (to the power of 3)

Step-by-step explanation:

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Factorise : 16x^2 +72xy + 81y^2 -12x +27y
never [62]
Hello!!

It will be the same since there is no common factor. You just need to arrange in order. 

6x^2 + 72xy - 12x + 81y^2 + 27y

Good luck :)
5 0
4 years ago
Please answer this: There are 2.54 centimeters in 1 inch. There are 100 centimeters in 1 meter.
Tom [10]

Answer:

40 m

Step-by-step explanation:

158 · 2.54 = 401.32

401.32/100 = 40.132

40.132 ≈ 40

8 0
3 years ago
If 6m by 15m is a pond ,is 40m would be enough for fencing the pond
Veseljchak [2.6K]
If the pond were a rectangle, then:
length=15 m
width=6 m

We would have to calculate the perimeter of this rectangle.
Perimeter of a rectangle=2(length)+2(width)

Perimeter of this rectangle=2(15 m)+2(6 m)=30 m+12 m=42 m

We need 42 m and I only have 40 m, therefore, it would not be enough for fencing the pond. 
4 0
3 years ago
PLS HELP ASAP I DONT HAVE TIME. IT ALSO DETECTS IF ITS RIGHT OR WRONG. SHOW PROOF.
Natalija [7]

Answer:

70 ft.

Step-by-step explanation:

If 1 in = 10 ft. that would mean your 7 inches would be multiplied by 10 to give you 70 ft. Have a good day :)

7 0
3 years ago
Which is the solution to 5^x=8^x-7
Levart [38]

Answer:

C) 30.9702

Step-by-step explanation:

Take log of both sides:

In5^x = In8^x - 7

Rewrite it using the laws of log:

xIn5 = (x - 7)In8

x / (x - 7)  =  ln 8 / ln 5

x / (x - 7) = 1.292

x = 1.292x - 9.044

1.292x - x = 9.044

x = 9.044 / 0.292

Thus, x = 30.9702

3 0
2 years ago
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