2 + 3 × 16 − 2 × 21 − 3 = 5 14 35 40

Mathematics

1 answer:

Ganezh [65]4 years ago

7 0

Answer: 5

Step-by-step explanation:

Since, According to the BODMAS, when we solve an expression,

We follow the following sequence,

1. Bracket/ parenthesis

2. Of

3. Division

4.Multiplication

5. Addition

6. Subtraction

Here, the given expression is,

$2 + 3\times 16 - 2\times 21 - 3$

Thus, solving the given expression by following the BODMAS,

We get,

Step 1. $2 + 48 - 42 - 3$

Step 2. $50 - 42 - 3$

Step 3. $8-3$

Step 4. 5

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Find the number of elements in A1 ∪A2 ∪A3 if there are 100 elements in A1, 1000 in A2, and 10,000 in A3 if a) A1 ⊆ A2 and A2 ⊆ A

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Answer:

Step-by-step explanation:

Given that there are 3 sets such that there are 100 elements in A1, 1000 in A2, and 10,000 in A3

a) If A1 ⊆ A2 and A2 ⊆ A3

then union will contain the same number of elements as that of A3

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