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Alexandra [31]
3 years ago
14

How do I solve this problem?

Mathematics
1 answer:
Margaret [11]3 years ago
7 0
Ask google or maybe YouTube
You might be interested in
which expression is not equal to the expression shown? 3 to the 3rd power divided by 3 to the negative 4th power. Need the answe
Alecsey [184]

Answer:

3^{-3} ÷ 3^{4}

Step-by-step explanation:

Evaluate 3^3 ÷ 3^{-4}, then evaluate each given expression to find which of them will give us the same result.

3^3 ÷ 3^{-4}

27 ÷ \frac{1}{3^4} (recall: a^{-x} = \frac{1}{a^x}

27 ÷ \frac{1}{81}

27 * \frac{81}{1} (changing from division operation to multiplication by flipping the fraction to our right upside down)

27 * 81 = 2,187

Let's compare the expressions in the given options to the value we got above:

Option 1: 3*3⁶

= 3*729 = 2,187 (this is equal)

Option 2: 3⁷ ÷ 3⁰

= 2,187 ÷ 1 (recall: x⁰ = 1, therefore, 3⁰ = 1)

= 2,187 (this is equal)

Option 3: 3³ * 3⁴

= 27*81 = 2,187 (this is equal)

Option 4: 3^{-3} ÷ 3^{4}

\frac{1}{3^3} ÷ 81

\frac{1}{27} ÷ 81

\frac{1}{27} * \frac{1}{81} (changing from division to multiplication)

= \frac{1*1}{27*81}

= \frac{1}{2,187} (not equal)

3^{-3} ÷ 3^{4} i not equal to 3^3 ÷ 3^{-4}.

8 0
3 years ago
If s(x) = 2 - x and t(x) = 3x, which value is equivalent to (s•f)(-7)?
erica [24]

Answer:

Step-by-step explanation:

t(-7)= 3(-7)= -21

s(-21)= 2-(-21)= 2 + 21= 23

4 0
1 year ago
(30)Points<br> Which Statement is true<br> A,<br> B.<br> C.<br> D.
Rom4ik [11]

Answer:

The first answer one is true

6 0
3 years ago
To the nearest hundredth, how many cm are in 36 in? (1 in = 2.54 cm)
PIT_PIT [208]
<span>C) 91.44 cm

hope this helps :) </span>
7 0
3 years ago
Read 2 more answers
Is 0.04 greater than 0.4
valentinak56 [21]
No 
0.04 is actually smaller than 0.4 because the four is in the hundredths place which is smaller than the four in the tenths place of 0.4
7 0
3 years ago
Read 2 more answers
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