Which equations with exponential expressions are true? Choose 3(1 point)
Responses
46=4×4×4×4×4×4
4 to the 6th power is equal to 4 times 4 times 4 times 4 times 4 times 4
37=3×7
3 to the 7th power is equal to 3 times 7
64=6×6×6×6
6 to the 4th power is equal to 6 times 6 times 6 times 6
85=8×8×8×8×8
8 to the 5th power is equal to 8 times 8 times 8 times 8 times 8
99=9×9
PICK THREE
46=4×4×4×4×4×4
4 to the 6th power is equal to 4 times 4 times 4 times 4 times 4 times 4
64=6×6×6×6
6 to the 4th power is equal to 6 times 6 times 6 times 6
85=8×8×8×8×8
8 to the 5th power is equal to 8 times 8 times 8 times 8 times 8
Which expression represents “3 less than x”?(1 point)
Responses
x + 3
x + 3
x – 3
x – 3
3x
3x
3 – x
x - 3
Question
Which expression is equivalent to 2 × (2 × 5 + 3) + 4?(1 point)
Responses
10 + 5 × 2
10 + 5 × 2
2 + 4 × 7
2 + 4 × 7
2 + 14 × 7
2 + 14 × 7
6 + 4 × 7
6 + 4 × 7
Andrew sells cookies for 75 cents each. The amount of money he makes in dollars is 0.75x, where x is the number of cookies he sells.
If he sells 15 cookies, how much money will he make?
(1 point)
Responses
$11.25
$11.25
$16.50
$16.50
$12.75
$12.75
$14.5
$11.25
To find out how much money Andrew makes when he sells 15 cookies, you can substitute x with 15 in the expression given:
0.75(15) = $11.25
Therefore, Andrew will make $11.25 if he sells 15 cookies.