cube root of 160×81×30×15×8
Answers
Answer:
The cube root of 160×81×30×15×8 is 360.
Step-by-step explanation:
Solve 160×81×30×15×8 is 360 :
⇒ 160×81×30×15×8
⇒ 46656000
Cube root of 46656000 is :
∛46656000
360
∴ The cube root of 160×81×30×15×8 is 360.
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Answer:
Step 9: 57 – 17 = 40
Step 10: 40 – 19 = 21
Step 11: 21 – 21 = 0
Here, we got the result 0 in the 11th step, so we can say that 121−−−√
= 11.
Let us consider another example to find the square root of 81 by repeated subtraction.
Square Root of 81 by Repeated Subtraction
Let us find the square root of 81 by repeated subtraction method.
81 - 1 = 80
80 - 3 = 77
77 - 5 = 72
72 - 7 = 65
65 - 9 = 56
56 - 11 = 45
45 - 13 = 32
32 - 15 = 17
17 - 17 = 0
Here we got the result 0 in the 9th step, so the square root of 81 is 9 i.e 81−−√
= 9
The Square roots of 1 to 25 are listed in the table below.
Square Root 1 to 30
Square Root of a Number
Number
Square Root of a Number
Number
√4
2
√196
14
√9
3
√225
15
√16
4
√256
16
√25
5
√289
17
√36
6
√324
18
√49
7
√361
19
√64
8
√400
20
√81
9
√441
21
√100
10
√484
22
√121
11
√529
23
√144
12
√576
24
√169
13
√625
25
Step-by-step explanation:
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