Estimate the value of
21*3.86/0.207
anyone knw the estimate for this?

Answers

Answer 1

Answer: $(21*3.86)/(0.207)=(81,06)/(0,207)\approx391.6$

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Round the following numbers to 2 decimal places 0.273
1.595
6.473
2.571
0.425
44.5564
82.3643
325.1741

Answers

Before I give you the answers, there is a simple rule to observe when rounding a number to two decimal places. If the number in the third decimal place is less than five, then the number in the second decimal place stays the same. If the number in the third decimal place is five or greater than five, the number in the second decimal place is incremented by one. In our case the above numbers are rounded up as follows:

0.273 is rounded up to 0.27
1.595 is rounded up to 1.60
6.473 is rounded up to 6.47
2.571 is rounded up to 2.57
0.425 is rounded up to 0.43
44.5564 is rounded up to 44.56
82.3643 is rounded up to 82.36
325.1741 is rounded up to 325.17

Explain how to use a pattern to find the product of a power of 10 and a decimal

Answers

Decimal numbers are numbers that have fractional parts.

Take for instance the following products.

$\mathbf{2.56 * 10^2 = 256}$

$\mathbf{2.56 * 10^3 = 2560}$

$\mathbf{2.56 * 10^(-3) = 0.00256}$

$\mathbf{2.56 * 10^(-2) = 0.0256}$

Assume the power of 10 is n.

Notice that, when the n is positive, the decimal place moves forward n times.
Similarly, when n is negative, the decimal place moves backward n times.

So, patterns can be used to calculate the product of a decimal and a power of 10 by moving the decimal place forward or backward

Read more about patterns and decimals at:

brainly.com/question/13094279

Answer:

When we multiply a decimal by a number with power of 10, the decimal point moves to the right by the same number of zeros in the power of ten multiplier.

For example:

Multiplying 7.362 by 100.

As there are 2 zeroes in 100, we will move the decimal to 2 places in the right.

Hence, $7.362*100=736.2$

Powers of 10 are like 10,100,1000 and so on.

sam paid $20 for two t-shirts. the price for each t-shirt was a multiple of 5. what are the possible prices of the t-shirts?

Answers

the possible answers are 15,5 and 10,10

A dog groomer could clean five dogs in an hour. how many could they clean in two sixths of an hour?

Answers

2/6 = 1/3
1/3 of hour = 20minutes
5 / 3 = so 1 and 2/3 (?) dogs = 20 minutes

noreen made 8 2/3 cups of snack mix for a party. her guest ate 3/4 of the mix. how much snack mix did her guest eat?

Answers

Answer:

$6(1)/(2)\text{ cups}$

Step-by-step explanation:

Given,

Total snake mix for the party = $8(2)/(3)$ cups = $(26)/(3)$ cups,

Also, the part of total mix eaten by the guest = $(3)/(4)$

Thus, the total mix eaten by them = part of mix eaten by them × total mix

= $(3)/(4)* (26)/(3)$

$=(26)/(4)$

$=6(2)/(4)$

$=6(1)/(2)\text{ cups}$

noreen made 8 and 2/3 cups which after solving becomes 8.666
now the guest ate 3/4 which means 3/4 of 8.66 which is 6.50 which means the guest ate 6 1/2 cups

Which percent represents a reasonable probability of rolling a number less than 3?