Answer:
4+1+12=15
Step-by-step explanation:
4+1=3
3+12=15
6.4 x 10^3 = 6400
1.4 x 10^4 = 14000
7.5 x 10^3 = 7500
total = 6400 + 14,000 + 7500
total = 27900 or 2.79 x 10^4 <===
7/8 divided by 1/2
copy dot flip
7/8 * 2/1
14/8
divide by 2 on top and bottom
7/4
7/8 ÷ 1/2 = 7/4
Choice A
Answer:
Step-by-step explanation:
Hope this helps!