15 x 25 = 375
15 x 50 = 750
375 + 750 = 1,125
She has 1,125 books.
You move the decimal point forward until it reaches the one so it looks like this:
1.4 x 10⁵
the exponent, 5, just tells you how many spaces the decimal point moved.
Answer:
She will be able to fill 9 shelves with 1 book left over.
Let me know if you need more help! :)
Answer:
100 km squared
Step-by-step explanation:
Front : 14
Back : 14
Top : 28
Bottom : 28
Side : 8
Side : 8
Surface area : 100 km squared
Hope this helps!
