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astraxan [27]
3 years ago
14

Strontium-90 has a half-life of about 29 years. After 65 years, about how many

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
4 0

Answer:

about 11.16 grams.

Step-by-step explanation:

65/29=2.24

So, if we divide 25 by 2.24, we should find the answer. We get:

25/2.24= about 11.16 grams.

You might be interested in
NEED HELP FAST! ALSO 50 POINTS AND BRAINLIEST!! <br><br> What is the value of 5 2/3 (−3.6)?
ratelena [41]

Answer:

-20⅖

Step-by-step explanation:

5⅔(-3.6)

(17/3)(-3.6)

17(-3.6/3)

17(-1.2)

-20.4

-20 ⅖

8 0
2 years ago
Amber says 2.76/6 gets an answer of 0.19.Is Amber's answer reasonable. (Choose One) A:No,because 0.2x3=0.6 B:No,because 0.2x6=1.
Butoxors [25]

Answer:

No, her answer is unreasonable because 0.2 * 6 = 1.2

Step-by-step explanation:

Here in this question, we are trying to use an approximation to see if what was said to be the result of a calculation is reasonable as an answer.

Looking at her division, 2.76/6 = 0.19

To the nearest tenth , 0.19 is same as 0.2, now multiplying 0.2 by 6, what we have is 1.2 ( of which even 0.19 * 6 is expected to be less than this). we can see that this value is quite far from our expected answer of 2.76 which makes the answer an unreasonable one

Thus, the division 2.76/6 = 0.19 is not a reasonable answer

5 0
3 years ago
Which answer choice shows 3.002 written in expanded form?A) 3 + 0.2B) 3 + 0.02C) 3 + 0.002D) 3+ 0.0002
Elanso [62]

SOLUTION

We want to know which answer choice shows 3.002 written in expanded form

To do this let us subtract 3.002 from 3, we have

We got 0.002

So the expanded form is

3+0.002

Hence the correct answer is option C

8 0
1 year ago
Find the missing length.
frez [133]

Answer:

apprx. 8.06

Step-by-step explanation:

I hope this helps :)

3 0
3 years ago
Read 2 more answers
The vertices of the image of GHJK after a translation are given. Choose the vector that describes the translation.
Lady_Fox [76]

Answer:

Option B

Step-by-step explanation:

Let's take a vertex G of quadrilateral GHJK to understand the rule for the translation,

From the graph attached,

Coordinates of G → (-5, 5)

Coordinates of the image point G' after the translation → G'(-5, 5)

Let the point G is translated 'a' units to the right and 'b' units down,

Rule for this translation,

G(x, y) → G'(x + a, y - a)

By this rule,

G(-5, 5) → G'(-5 + a, 5 - a)

-5 + a = -5 ⇒ a = 0

5 - a = 5 ⇒ a = 0

Therefore, vector that defines the translation will be,

<0, 0>

Option B is the the correct option.

8 0
3 years ago
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