Step-by-step explanation:
Hi, I think correct variant is B
(28÷7)+7=4+7=11
Answer: less than
Answer:
x+y=1+3
(7.2 × 10^7) ÷ (9 × 10^4)
= (7.2 / 9) x 10^(7 - 4)
= 0.8 x 10^3
= 8 x 10^2
Answer
C. 8 × 10^2
Answer:72.5
On delta
