A) (3)² = 3 × 3 and 10(8)² = 10 × 8 × 8
B) (3)² = 9 and 10(8)² = 640
For any number x, the square of the number denoted by (x)² is equal to 2 times x multiplied by itself or x*x.
Here, we are given two expressions- (3)² and 10(8)²
we need to write both of them in expanded form and then write their values.
Expanded form of (3)² is 3 × 3
The value of the expression (3)² will be-
(3)² = 3 × 3 = 9
Similarly, expanded form of 10(8)² is 10 × 8 × 8
The value of the expression 10(8)² will be-
10(8)² = 10 × 8 × 8 = 640
Learn more about expanded form here-
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Answer:
30,000
Step-by-step explanation:
7 is rounded up, so 2 + 1 is 3, therefore the answer is 30,000
H of three is 7 Bc you just plug it in
Do you want this simplified?
Answer:
$38.84
Step-by-step explanation:
1) 48.00 x 0.07 = 3.36 (she must pay this amount)
2) 48.00 x 0.1 = 4.8 (she must tip this much)
48.00 - 4.8 + 3.36 = 39.84
She has 39.84 dollars she can use to order food with.
