Answer:
9 wagon stamps and 1 sailboat stamp!
Step-by-step explanation:
7×4= 28
28+3=31
Answer:
the correct answer would be 6 inches.
Step-by-step explanation:
12*.5=6
Answer:
$37.70
Step-by-step explanation:
65 divided by 100 multiplied by $58 is $37.70
Answer:
Sam
30
Step-by-step explanation:
Sam made a mistake when he said
. The steps should have been:

You are supposed to square 5 first before multiplying 2. Sam multiplied by 2 first. The correct answer is 30.
Answer: It would equal 1/27.
Step-by-step explanation: Any number raised to a negative exponent, essentially means you reciprocal to get rid of the negative. After that, you do the math for the number in the denominator, without considering the negative sign. You could also do it the other way, do the function first without the negative, 3^3 is 27 and then applying the negative, reciprocal it to 1/27.