3 years ago

PLEASE HELP ME!!!! THIS IS TIMED!!! PLEASE HELP!!!!!!!

1 answer:

7 0

.(D) I hope this helps

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kykrilka [37]

9.5
If you add 12.4 plus 12.4 you get 24.8 then you do 43.8 minus 24.8 and you get 19 and 19 divided by 2 is 9.5
9.5+9.5+12.4+12.4=43.8

3 0

3 years ago

Paraphin [41]

<em>combined mass in scientific notation can be written as</em> 97.2× $10^{-24}$ kg

Scientific notation can be regarded as a way of writing very large as well as very small numbers.

Mars of mass= (6.42x $10^{-23}$ kg )

Mercury= (3.3x $10^{-23}$ kilograms)

Then we add together

(6.42x $10^{-23}$ )+ (3.3x $10^{-23}$ ) kilograms.

= 9.45 × $10^{-24}$ kilograms

Therefore, combined mass in scientific notation can be written as 97.2× $10^{-24}$ kg

8 0

3 years ago

Ivenika [448]

Answer: An estimate or approximate number

Step-by-step explanation:

6 0

3 years ago

REY [17]

Yes, they're proportional.

If you simplify 33/36 (divide the numerator and denominator by 3) you get 11/12, so it's proportional (equal) to 11/12.

5 0

3 years ago

Leto [7]

You can download answer here

tinyurl.com/wpazsebu

7 0

3 years ago