Answer:
12+8+7=27
Step-by-step explanation:
just normal addition
Answer:
1.983(10⁴)
Step-by-step explanation:
Since we need to have ones and decimals as proper scientific notation, we have 1.983. Since we need the value of 19830, we need to move the decimal place 4 places to the right, so our exponent is 4.
*I double checked my work this time.
Answer: The number of cubic yards of concrete that are needed is 720.
Step-by-step explanation: The same formula for this type of shape stays the same: l*w*(h or d).
240 * 4 = 960
960 * 0.75 = 720