Answer:
280cm squared
Step-by-step explanation:
By adding a 2cm wooden board, Gavin is adding 4 cm to each side, os the new sides would be 14 and 20. 14*20=280 cm squared.
Answer:
2x +7 +2x = 4x +7
Step-by-step explanation:
Answer:
1/5
Step-by-step explanation:
Answer:
5⁷
Step-by-step explanation:
5*5*5*5*5*5*5
here,
count how many 5 are there - 7
so,
<u>exponential notation form:</u>
5*5*5*5*5*5*5 = 5⁷
Answer:
it's A 10
Step-by-step explanation:
10+20= 30
so 15×2=30
5+10=15
2( = ×2
