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3 years ago

Which expression has twice the value of 2x2x2x2x2?

Mathematics

2 answers:

kolezko [41]3 years ago

6 0

Answer: 2⁶ = 64 is the twice the value of 2×2×2×2×2.

Step-by-step explanation:

Since we have given that

2×2×2×2×2 = 2⁵

We need to find the twice the value of the above expression :

So, it means

2×2⁵

As we know the law of exponents:

xᵃ × xᵇ = xᵃ⁺ᵇ

So, it becomes,

2× 2⁵ = 2⁵⁺¹ = 2⁶

So, 2⁶ = 64 is the twice the value of 2×2×2×2×2.

tester [92]3 years ago

3 0

16x(2). You would multiply 16 and 2. You have to find what x is though.

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3 years ago

The second term of a GP is 4, the fifth term is 81. Find the seventh term

navik [9.2K]

Answer:

The seventh term of a G.P is

$t_{7} = 33,097.211$

Step-by-step explanation:

step(i):-

Given the second term of a G.P is '4'

The general term of nth term is

$t_{n} = ar^{n-1}$

$t_{4} = ar^{4-1} =4$

$ar^{3} =4$ …(i)

Also Given the fifth term of a G.P is '81'

$t_{5} = ar^{5-1} =81$

$ar^{4} =81$ …(ii)

Step(ii):-

Dividing the equation (ii) divided by (i)

$\frac{ar^{4} }{ar^{3} } = \frac{81}{4}$

cancellation ' a' and 'r' terms , we get

$r = \frac{81}{4}=20.25$

substituting 'r' Value in equation (i), we get

$ar^{3} =4$

$a(\frac{81}{4}) ^{3} =4$

$a = \frac{4X4X4X4}{(81)^{3} }= \frac{256}{531,441}$

a = 0.00048

Step(iii):-

The seventh term of G.P

The general term of nth term is

$t_{n} = ar^{n-1}$

$t_{7} = (0.00048)(20.25)^{7-1}$

$t_{7} = (0.00048)(20.25)^{6}= 33,097.211$

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4 years ago

What is 81,007-26,318?

zimovet [89]

Answer:

54689

Step-by-step explanation:

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3 years ago