Answer:
a) 390
b) 239
c) 151
Step-by-step explanation:
a) 30 + 15 + 45 + 300 = 390
b) 160 + 30 + 9 + 40 = 239
c) 390 (income) - 249 (expenses) = 151 pounds (profit)
56m+6
<em><u>Subtract</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>numbers</u></em>
36m+23m-9m+8-2+6m
36m+23m-9m+6+6m
<em><u>Combine</u></em><em><u> </u></em><em><u>like</u></em><em><u> </u></em><em><u>terms</u></em>
15*10^15
5*10^6= 5*1,000,000
5*1,000,000=5,000,000
3*10^9=3*1,000,000,000=3,000,000,000
5,000,000*3,000,000,000=15,000,000,000,000,000
15*10^15=15,000,000,000,000,000
Hope this helps
234