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docker41 [41]
3 years ago
14

Marco and Suzi each multiplied 0.721 x 100 (it’s actually 10 to the second power but i don’t think they have anything like that

on the keyboard so i wrote 100). Marco got 7.21 for his product. Suzi got 72.1 for her product. Which student multiplied correctly? How do you know?
Mathematics
2 answers:
MariettaO [177]3 years ago
6 0

Answer:

72.1

Step-by-step explanation:

Suzi

Nikitich [7]3 years ago
3 0

Answer:

Suzi did

Step-by-step explanation:

Yes they do have 10^2 power on your calculator.

Look for the ^ key or Exp or y^x or x^y. Most scientific calculators have one of those.

Suzi did it correctly. 0.721 * 100 is a decimal move two places to the right. That would bring the decimal between the 2 and the 1.

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Which expression is equivalent to
lapo4ka [179]
The last one
2j^2/3k^4
6 0
2 years ago
The probability that you roll a 5 on a six-sided die is start fraction one over six end fraction . the probability that you flip
Anastaziya [24]
Let event A be the coin landing on heads and let event B be rolling a 5 on a six-sided die.
Events A and B are independent if, and only if:
P(A\cap B)=P(A)\times P(B)
It is given in the question that the above condition for independence is met.
Also A and B are independent if:
P(A|B) = P(A)
P(A) = 1/2
Therefore the probability of flipping a coin and it landing on heads, given that you rolled a 5 on a six-sided die is 1/2. The two events are independent.
5 0
3 years ago
(x-6)(x+ 3) =<br><br><br> A. X^2 - 18<br> B. X^2 - 3x - 18<br> C. X^2 + 3x -18<br> D. X2 + 9x - 18
nlexa [21]

Answer:

x^2 - 3x - 18

Step-by-step explanation:

Just follow in terms of FOIL

First, outer, inner, last. First means multiply the terms which occur first in each binomial, Outer means multiply the outermost terms in the product, Inner means multiply the innermost terms, and Last means multiply the terms which occur last in each binomial.

4 0
3 years ago
Read 2 more answers
Joseph needed $125 to buy a new pair of jordan's. His neighbor will pay him $6 per hour to walk his dog and his mother gave him
AveGali [126]

Answer: 14⅝ hiurs

Step-by-step explanation:

Based on the information given in the question, we can form an equation which will be:

8 + 6h = 125

where, h = number of hours

6h = 125 - 8

6h = 117

h = 117/8

h = 14 ⅝hours

Therefore, minimum amount of hours he will need to walk the dog in order for him to buy a new pair of Jordans is 14⅝ hours.

4 0
3 years ago
Aubrey wants to buy a new coat that has a regular price of $185. This weekend the coat is on sale at a 33% discount what is the
sweet-ann [11.9K]
Find 33% of 185:

0.33 * 185 = 61.05

Subtract this from the regular price:

185 - 61.05 = 123.95

So the sale price is $123.95
4 0
3 years ago
Read 2 more answers
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