1,236 x 10^15 - 5,23 x 10^14

5 notebooks cost $5.25
This is a unit rate question, where the amount of money it costs is divided by the amount of items that are bought.
So 5.25 is divided by 5.
You should get a number that is the cost of one notebook.
Than multiply that number by 3 and you should get your answer.

Answered by Leesten | 2024-06-10

5.25
=5+1/4
=20/4+1/4
=21/4

(21/4)/(5/1)
=(21/4)*(1/5)
=21/20
=20/20+1/20
=1+0.05
=1.05
* One note book costs $1.05

3 note books cost:
3*$1.05
=$3.15

Answered by Anonymous | 2024-06-10

The cost of one notebook is $1.05, so three notebooks will cost $3.15.
;

Answered by Leesten | 2025-01-17

Jawaban:7,13 × 10¹⁴Penjelasan dengan langkah-langkah:= 1,236 × 10¹⁵ - 5,23 × 10¹⁴= 12,36 × 10¹⁴ - 5,23 × 10¹⁴= (12,36 - 5,23) × 10¹⁴= 7,13 × 10¹⁴[tex]\boxed{ \red{ \boxed{\pink{\mathcal{M \frak{ ilana} \purple{ \tt01}}}}}} [/tex]

Answered by Milana01 | 2025-07-12