3 years ago

Explain how estimation helps you place the decimal point when multiplying 3.9 &5.3

1 answer:

6 0

3.9 and 5.3, when rounded off and mult. together, produce the product 20.
Thus, the decimal point must follow the first two digits of your answer, whether estimate or "exact."

3.9*5.3 = 20.67 by calculator.

You might be interested in

Solve the equation <br> 3|x – 2|+2 = 17

grigory [225]

Answer:

-3, 7 = x

Step-by-step explanation:

3|x – 2| + 2 = 17

- 2 - 2

________________

3|x - 2| = 15

_______ ___

3 3

|x - 2| = 5

$x - 2 = -5 \: \: \: \: \: \: \: \: \: \: \: \: \: x - 2 = 5$

+ 2 + 2 + 2 + 2

_______________ ____________

x = -3 x = 7

I am joyous to assist you anytime.

5 0

3 years ago

1 2 3 4 5 6 7 8 9 10

gayaneshka [121]

Answer:

The 8 should have remained positive.

Step-by-step explanation:

8-(-2)=8+2=10

Two negatives make a positive so 8-(-2) will turn into 8+2.

Laura was wrong because she thought the 8 turned to a negative but that makes no sense.

8 0

4 years ago

−(4.8−1.92)−((−5.4)+8.04)−1.92<br><br> please show work

S_A_V [24]

ans:-7.54

do u understand

6 0

3 years ago

If r(x) = 2 – x2 and w(x) = x – 2, what is the range of (w circle r) (x)?

shutvik [7]

Answer:

Try (

−

∞

)

Step-by-step explanation:

OK so, I copied and pasted that so try to put it together lol

7 0

3 years ago

Read 2 more answers

12>x>-7 is the dots on a number line open or closed

QveST [7]

Answer:

its open

Step-by-step explanation:

i just did it

6 0

3 years ago