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Masja [62]
2 years ago
5

Simplify 3²×5² what is the answer​

Mathematics
2 answers:
Gekata [30.6K]2 years ago
6 0

Answer:

9.25=225

Step-by-step explanation:

Can You teach english and math

Nookie1986 [14]2 years ago
6 0

Answer: 225

Step-by-step explanation:

Use PEMDAS

(Parentheses, Exponents, Multiplication, Division, Addition, Subtraction)

Or

(Please, Excuse, My, Dear, Aunt, Sally) to remember.

Because there are only Exponents and Multiplication, we can cross out the other steps but exponents still goes first so,

3^2 equals 9

5^2 equals 25

So now you have

9*25=

Multiply those to get your answer which is 225

So your answer is 225.

Mark me brainliest please!!

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Simplify the expression. Help asap
katrin [286]

\large \mathfrak{ \frac{(r ^{3} )^{4} }{(r ^{3})^{8}  } }

Simplify the expression by multiplying exponents

\large \mathfrak{ \frac{r^{12} }{r ^{24} } }

Simplify the expression by cancelling the terms

\large \mathfrak{ \frac{1}{r ^{12} } }

7 0
2 years ago
Read 2 more answers
How many inches are in 14 feet, 8 inches? Enter only the number. Do not include units
blagie [28]

Answer:

176

Step-by-step explanation:

14x12 = 168 + 8 = 176

8 0
3 years ago
Solve l 3x-7 l = 2
Lelechka [254]

Answer:

1) Solutions are x = 3 and x = 5/3

2) Solution are x ≤ 13/2 and  x ≤ -3/2

Step-by-step explanation:

1) Given absolute inequality,

|3x-7| = 2

⇒ 3x - 7 = ± 2

⇒ 3x = 7 ± 2

\implies x=\frac{7\pm 2}{3}

x=\frac{7+2}{3}\text{ or }x=\frac{7-2}{3}

\implies x = 3\text{ or }x=\frac{5}{3}

2) l 2x-5 l ≤ 8

⇒  2x-5  ≤ ±8

⇒   2x ≤ 5 ± 8

\implies x\leq \frac{5\pm 8}{2}

x\leq \frac{5+8}{2}\text{ or }x\leq \frac{5-8}{2}

\implies x \leq \frac{13}{2}\text{ or }x\leq-\frac{3}{2}

8 0
3 years ago
Read 2 more answers
An Epson inkjet printer ad advertises that the black ink cartridge will provide enough ink for an average of 245 pages. Assume t
Neko [114]

Answer:

35.2% probability that the sample mean will be 246 pages or more

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal probability distribution

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this question, we have that:

\mu = 245 \sigma = 15, n = 33, s = \frac{15}{\sqrt{33}} = 2.61

What the probability that the sample mean will be 246 pages or more?

This is 1 subtracted by the pvalue of Z when X = 246. So

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{246 - 245}{2.61}

Z = 0.38

Z = 0.38 has a pvalue of 0.6480.

1 - 0.6480 = 0.3520

35.2% probability that the sample mean will be 246 pages or more

4 0
3 years ago
A certain bacterium splits itself into 2 identical cells in 1 day. Each of those new cells is capable of splitting itself into 2
stiks02 [169]

Answer:

2 with the second power??

Step-by-step explanation:

if you have two with the second power II exponents will multiply it by itself so the number gradually gets larger each time

6 0
3 years ago
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